yp-90 series ajuste

7/31/2019 YP-90 Series Ajuste

1/22

SERVICE MANUAL FOR INFANT INCUBATOR EDITION/REVISION B/0

5-2I2

5.3 SYSTEM SETTING PROCEDURES

5.3.1 GENERAL

This paragraph provides controller system setting procedure.

NOTICE: Please follow by the procedures of item 5.3.3. if it is unnecessary, please do not

change data of system setting to avoid hazards.

5.3.2 BRIEF INTRODUCTION

Controller system setting procedures listed below:

1. LED Lightness set

2. Air temperature sensor compensation

3. Air flow temperature sensor compensation

4. Skin temperature sensor compensation

5. Machine Number

6. Motor speed alarm value

7. Set value of Low deviation for air temperature

8. Set value of High deviation for air temperature

9. Set value of Low deviation for skin temperature

10. Set value of High deviation for skin temperature

11. Minimum set value of air temperature

12. Maximum set value of air temperature

13. Minimum set value of skin temperature

14. Maximum set value of skin temperature

15. Set value of Over temperature alarm (37 )

16. Set value of Over temperature alarm (37 )

17. Set value of air flow Over temperature alarm (37 )

18. Set value of air flow Over temperature alarm(37 )


2/22


5.3.3 PROCEDURE

At first, connected power supply, press and hold Set key for 2s as soon as switch on until Air

temprature indicator displays --.-, and no display on Skin and Set temprature indicator. And then,

press Up or Down until Air temprature indicator displays 78.6, after then, press Set key to enter into

the system set screen, or press Silence/Reset key to exit.

After entering into the set screen, Set temprature indicator displays set code, Air temprature

indicator displays the specific set data.

Turn on the power switch

5-3I2

Press and hold the for 3s

Enter password

Press key, EXIT Press or key to enter password 78.6,

Then press key to confirm

Error Password check

YES

System setting screen

Press key or Key, set temperature indicator displays

the set code

Press or Key can change

current set value

END

Press key Press and together

SAVE and EXIT Return to original set

Brightness set of indicator

Figure 5.2


3/22


5-4I2

CODE 00.1 LED Lightness set

Indicate the lightness , and set range is 00.1~01.5. The larger the lighter.

CODE 00.2Air temperature sensor compensation

Set value of temperature compensation for air temperature sensor , and set range is -5.0~05.0 ,

the first figure of set value means the increasing and decreasing value. For Example, 00.2 means

that the air temperature adds 0.2 as compensation. -1.3 means that the air temperature reduces

1.3 as compensation.

CODE 00.3Air flow temperature sensor compensation

temperature compensation for air flow temperature sensor , and set range is -5.0~05.0 , the

first figure of set value means the increasing and decreasing value. For Example, 00.2 means that

the air flow temperature adds 0.2 as compensation. -1.3 means that the air flow temperature

reduces 1.3 as compensation.

CODE 00.4 Skin temperature sensor compensation

Set value of temperature compensation for skin temperature sensor , and set range is

-5.0~05.0 , the first figure of set value means the increasing and decreasing value. For Example,

00.2 means that the skin temperature adds 0.2 as compensation. -1.3 means that the skin

temperature reduces 1.3 as compensation.

CODE 00.5 Machine Number

Set method of machine number, and set range is 00.0~02.0. For example, 00.1 measn No. 1

machine, 01.5 means No. 15.

CODE 00.6 Motor speed alarm valueSet method of fan speed, and set range is 00.0~25.5. Every 0.1 means 20 rpm. For example,

05.0 means 1000 rpm. Alarm will be active if the fan speed is lower than this value.

CODE 00.7 Set value of Low deviation for air temperature

Set method of low deviation alarm in air mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .

CODE 00.8 Set value of High deviation for air temperature

Set method of high deviation alarm in air mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .

CODE 00.9 Set value of low deviation for skin temperature

Set method of low deviation alarm in skin mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .

CODE 01.0 Set value of high deviation for skin temperature

Set method of high deviation alarm in skin mode, and set range is 00.0~05.0. For example, 00.8

means 0.8 .


4/22


5-5I2

CODE 01.1 Minimum set value of air temperature

Set method of Minimum set value of air temperature, and set range is 20.0~34.0. For example,

25.0 means Minimum set value 25.0 .

CODE 01. 2 Maximum set value of air temperature

Set method of Maximum set value of air temperature in mode of>37.0 , and set range is

37.0~39.0. For example, 39.0 means Maximum set value 39.0 .

CODE 01.3 Minimum set value of skin temperature

Set method of Minimum set value of skin temperature, and set range is 30.0~34.0. For example,

34.0 means Minimum set value 25.0 .

CODE 01.4 Maximum set value of skin temperature

Set method of Maximum set value of skin temperature in mode of>37.0 , and set range is

37.0~39.0. For example, 39.0 means Maximum set value 39.0 .

CODE 01.5 Set value of Over temperature alarm A (37

Set method of Over temperature alarm in air mode (set temperatuer37, and set range is

37.5~39.0. For example, 38.0 means over-temp alarm value 38.0 .

CODE 01.6 Set value of Over temperature alarm B (37)

Set method of Over temperature alarm in air mode (set temperatuer37, and set range is

38.5~40.0. For example, 40.0 means over-temp alarm value 40.0 .

CODE 01.7 Set value of air flow Over temperature alarm A (37

Set method of alarm value for air flow blocked (set temperatuer 37, and set range is

38.5~48.0. For example, 45.0 means alarm value for air flow blocked 45.0

CODE 01.8 Set value of air flow Over temperature alarm B (37)

Set method of alarm value for air flow blocked (set temperatuer >37, and set range is 40.5~52.0.

For example, 45.0 means alarm value for air flow blocked 45.0


5/22


5.4 TROUBLESHOOTING PROCEDURES

5.4.1 GENERAL

Troubleshooting guides for the Controller are provided in Paragraph 5.4.3 and Paragraph 5.4.4.

Paragraph 5.4.3 provides the alarm code when the controller alarms. Paragraph 5.4.4 provides

troubleshooting in the form of flowcharts.

It is confirmed that the system settings are correct before troubleshooting.

5.4.2 TEST EQUIPMENT REQUIRED

The test equipment listed below is required for troubleshooting the Controller. Equivalent test

equipment may be substituted.

Digital VOM, FLUKE 8060A

31.0 Air Temperature Simulation

5-6I2

Resistor

Resistor R=23166/0.25W/0.5%

31.0 Air flow Temperature Simulation

Resistor

Resistor R=23166/0.25W/0.5%

31.0 skin Temperature Simulation

Resistor R=23166/0.25W/0.5%

5.4.3 TROUBLESHOOTING

All alarms have the relevant alarm code except for the power ailure alarm, please refer to Table 5.1.

TABLE 5.1 ERROR CODES

ALARM CODE TYPEEXPLANATION AND

CORRECTIVE ACTION

E0.1 Air temperature sensor failure alarm Refer to Flow chart 5.1

E0.2 Isolated temperature sensor alarm Refer to Flow chart 5.2

E0.3 Air temperature deviation failure alarm Refer to Flow chart 5.3

Resistor


6/22

SERVICE MANUAL FOR I FANT INCUBATOR EDITION/REVISION B/0N

5-7I2

TABLE 5.1 ERROR CODES (Continued)

ALARM CODE TYPEEXPLANATION AND

CORRECTIVE ACTION

E0.4 Air flow sensor alarm Refer to Flow chart 5.4

E0.5 Skin temperature sensor failure alarm Refer to Flow chart 5.5

E0.6 Over temperature failure alarm Refer to Flow chart 5.6

E0.7 Air circulation failure alarm Refer to Flow chart 5.7

E0.8 Wrong position of skin sensor alarm Check the position of skin sensor

E0.9 Fan motor stop alarm Refer to Flow chart 5.8

E1.0 High deviation temperature failure alarmCheck whether there is heat sourcenearby, if yes, please leave far awayfrom the heat source.

E1.1 Low deviation temperature failure alarmCheck the close condition of all doors

and panels

H0.1 ROM failure alarm inside of Main MCU Replace Main MCU

H0.2Internal system failure alarm inside ofMain MCU

Replace Main MCU

H0.3 communication failure alarm

1. Check the connection of circuitbetween the main MUC and auxiliaryMCU2. Replace main MUC and auxiliaryMCU

H0.4 ROM failure alarm inside auxiliary MCU Replace auxiliary MCU

H0.5

Internal system failure alarm inside

auxiliary MCU Replace auxiliary MCU

H0.6 E2PROM failure alarm Replace Main MCU

H0.7 SRAM failure alarm Replace U13 on mian board

H0.8 Main ADC failure alarm Refer to Flow chart 5.9

H0.9 Auxiliary ADC failure alarm Refer to Flow chart 5.10

H1.0 Heat system failure alarm Refer to Flow chart 5.11

H1.1 Real timer RTC failure alarm Replace U20 on mian board

H1.2 Keyboard fault alarm When the key board of the control panelon controller short-circuit alarms, pleasereplace the control panel.

H1.3 Battery failure alarm

Inner storage battery failure alarm:1. Check the wire connection betweenthe inner storage battery and the powerboard.2. Replace the inner storage battery.

Power failure alarm Refer to Flow chart 5.12


7/22


5.4.4 TROUBLESHOOTING FLOW CHART

Before troubleshooting, forst, please switch off, and disconnect the power cable, and then open the

top cover of warmer module and the back cover of column. And then connect the power cable and turn

onthe switch, at the same time, make sure that power +5V, +12V of controller, element, and all cables

are in good condition.In working state, press Up Key and Air mode Key , you can find the isolated

temperature and air flow temperarture in the air and set temperature indicator respectively. So it is easy

for service man to find the cause of trouble.

AIR TEMPERATURE SENSOR FAILURE ALARM E0.1

no

Good conection? Check connection of air temperature sensor,

and the wiring of all circuit board

The 31.00.2 Air Temperature Simulation (decade

Equal to 23166182)is instead of the air

temperature sensor, turn on power supply

the temperature display is

31.0 and add the no

compensation temperature alarm E0.1? Replace the air temperature sensor

of system set procedure

yes

on the main board U11-6 is 2.3V? no check the connect to R21, U1-6

Yes

CHECK U11

FLOW CHART 5.1 AIR TEMPERATURE SENSOR FAILURE

5-8I2


8/22


ISOLATED TEMPERATURE SENSOR FAILURE ALARM E0.2

``

no

Good conection? Check connection of isolated temperature

sensor, and the wiring of all circuit board


Equal to 23166

182

)is instead of the isolatedtemperature sensor, turn on power supply

See 5.4.4, the isolated no

temperature is 31.0 alarm E0.2? Replace the isolated temperature sensor

yes

no

on the main board U21-6 is 2.3V? check the connect to R16, U21-6

Yes

Check U21

FLOW CHART 5.2 ISOLATED TEMPERATURE SENSOR FAILURE

5-9I2


9/22


Air temperature deviation failure alarm E0.3

``

noGood conection? Check connection of isolated temperature

sensor, and the wiring of all circuit board


Equal to 23166182)is instead of the air and isolated


See 5.4.4, check whether

The air temeprature and no

isolated tempertire is alarm E0.3? Replace sensor

added the temperature

compensation based on 31.0

yes

U11-6, no

on the main board U21-6 is 2.3V? check the connect to R16 and U21-6,

R21 and U11-6

Yes

Replace U11 or U21

FLOW CHART 5.3 AIR TEMPERATURE DEVIATION FAILURE

5-10I2


10/22


Air flow sensor failure alarm E0.4

noGood conection? Check connection of sensor,and the wiring of all

circuit board


Equal to 23166182)is instead of air flow


See 5.4.4, check whether

The air temeprature and no

isolated tempertire is alarm E0.4? Replace air flow sensor

added the temperature

compensation based on 31.0

yes

no

on the main board U11-8 is 2.3V? check the connect to R23 and U11-8

Replace U11

FLOW CHART 5.4 AIR FLOW SENSOR FAILURE

5-11I2


11/22


SKIN TEMPERATURE SENSOR FAILURE ALARM E0.5

Check connection between skin sensor

Good conection? Socket and circuit board, the connection Of all

circuit board


Equal to 23166182)is instead of air flow


the temperature display no

is 31.0, added alarm E0.5? Replace the skin temperature sensor

the temperature compensation

in system set procedure

yes

no

on the main board U11-7 is 2.3V? check connect Relay R22 to U1-7

Yes

Check U11

FLOW CHART 5.5 SKIN TEMPERATURE SENSOR FAILURE

5-12I2


12/22


Over-temp failure E0.6

yes

Is there heat source nearby? Far away from the heat source

5-13I2

no

yes

Air and isolated temperature Check air and isolated temperature sensor

Sensor is OK?

no

Replace air and isolated temperature sensor

FLOW CHART 5.6 OVER TEMPERATURE FAILURE

Check whether the inlet

Or outlet is blocked

Air circulation failure alarm E0.7

Check the air flow condition of inlet and outlet

FLOW CHART 5.7 AIR CIRCULAATION FAILURE


13/22


Fan Motor Failure Alarm E0.9

Motor rotating no Motor input terminal no Check the power cord

Is AC power?

yes

yes

on the power Pulse at no Check the Capacitor no

supply board U5-2? fan detected CM is good Replace the capacitor CM

board

yes yes

5-14I2

no Replace the Motor

on the power Pulse at Check U5

supply board U5-3

yes

on the main no

board Pulse U12-16? check the connection between the main board

and the power supply board

yes

Check U12

FLOW CHART 5.8 FAN MOTOR FAILURE ALARM( SHEET 1 OF 2)


14/22


Slow Motor Speed Alarm E0.9

yes

Motor input no

Voltage is ok? Check the power input

yes

no

Capacitor Replace the capacitor CM

CM is good

yes

Replace the motor

FLOW CHART 5.8 FAN MOTOR FAILURE ALARM ( SHEET 2 OF 2)

5-15I2


15/22


Connection of U11

and U12 is OK?

Check the jumper wire of

U11-13, R5, R6

noPin of U11-13 is

+2.5V?

no

Check R5, R6Crosspoint of R5

and R6 is +2.5V?

Main ADC failure alarm H0.8

On main board

On main board

Check the connecting wireOn main board

Replace U11

FLOW CHART 5.9 MAIN ADC FAILURE ALARM

5-16I2


16/22


5-17I2

Check the connecting wireConnection of U21and U18 is OK?

Check the jumper wire of

U21-9, R14, R15

noPin of U21-9 is

+2.5V?

no

Check R14, R15Crosspoint of R14

and R15 is +2.5V?

Auxiliary ADC failure alarm H0.9

On main board

On main board

On main board

Replace U21

FLOW CHART 5.10 AUXILIARY ADC FAILURE ALARM


17/22


Heat circuit failure alarm H1.0

Disconnet power supply, measure resistance of twoterminals for heater

5-18I2

yes

Replace heater

no

Heater is open circuit or

short circuit?

Conneat power board and main board

Element number from here is on

power board

Connect pin 1 (ssr-ctr) and pin 3

(relay-ctr) on J8 to VCC power make two

conrol signals high level

no

Base of triode Q2, Q3

is >0.7V?

Check triode Q2, Q3

and resistor R8,R9

yes

nothere +12V on solid

relay and control

terminal of relay K1

Replace triode

Q2 or Q3

yes

To sheet 2

FLOW CHART 5.11 HEAT SYSTEM FAILURE (SHEET 1 OF 4)


18/22


From sheet 1

Output terminal of solid

relay and relay K1 can

work?

no Replace solid relay

or relay K1

yes

Voltage of U1-2 is

> 5mV

yes

no

Check inductor T1

Base of triode Q1

>0V?

yes

noBase of triode Q1

>0.7V?

yes

no

Voltage of U1-1

is >2V?Check U1,R1 ,C4

Check R2,R6,C5

no

Repalce triode Q1

Connet pin 1 (ssr-ctr) and pin3 (relay-ctr) on J8 to GND

make two control signals high level

yes

To sheet 3


5-19I2


19/22


From sheet 2

Base of triode Q1,Q3

is 0V?

yes

Check triode Q2,Q3

and resistor R8, R9

no

Base of triode Q1

is 5V?

yes

noBase of triode Q1

is 0V?

Yes

no

Voltage U1-1 is

0V?

Yes

no

Voltage U1-2 is

0V?

no

yesIs there +12V on

control terminal of solid

relay and relay K1

Replace triode

Q2 or Q3

Check inductor T1

Check U1,R1,C4

Check R2, R6, C5

no

Replace triode Q1

yes

To sheet 4


5-20I2


20/22


From sheet 3

The pins on porer

board J8-1, 3, 4 and

J2-1, 3, 4 on main

board works?

Switch off during measuring

no

Replace connecting wire

yes

Connect power board and main board

Connect pins U8-2, 11 to VCC power

Element number from here is onmainboard

Yes

Pin of U8-9, 18 is

5V?

no

Check U8

Measure the voltage of U15-2 for self-checking

yes

no

Replace U15

yes yes

Replace main board

Still alarming after

replacing U15

Voltage is changingfrom low level to highlevel?


5-21I2


21/22


Power Failure Alarm

5-22I2

Is there AC power on

input socket?Check outside power input

No

Yse

Initial trans for mer is

AC ower?

No Check the connecting wire of

trans for mer and ower cord,

and Fuse F1, F2, F3 on AC

entry board

Yes

No

Pin 3 on U2, U3 is +5V?

No

Cross point of R17,R18 is +2.5V?

No

Check U2, U3 and prefix circuit

Yes

On power board

Pin4 of U4 is

+12V?Check U4 and prefix circuitOn power board

Yes

Check R17, R18

Yes

Secondary output oftransformer is 9V, 15V? Replace transformer

On power board

Yes

To sheet 2

FLOW CHART 5.12 POWER FAILURE ALARM (SHEET 1 OF 2)


22/22


From sheet 1

NoCrosspoint of

R19, R20 is 2.5V?On power board Replace R19, R20

Yes

Crosspoint of

R21, R22 is

2.1V?

No

Replace R21, R22On power board

5-23I2

Yes

Pins7, 1 of U6

is high level?

No

On power board Replace U6

Yes

NoPin5 of U8 is low

level?Check the connection of power board

and main board

On main board

Yes

Pin4 of U8 is

low level?

No

Replace U8On main board

Yes

Replace main board

FLOW CHART 5.12 POWER FAILURE ALARM (SHEET 2 OF 2)

yp-90 series ajuste

Documents