32
1 Check the error part
2 Unfix the error part
3 Replace the part
4 Check the performance of new part
5 Service done
8.3 Detail Process
No.
Malfunction
Checkpoint
Cause
1
Cut off the power and check the fuse
on the PCB
Fault or not?
1.Over voltage
2.Short circuit of
indoor fan motor
Check Voltage
1.Whether have got
normal AC voltage
on CN9 or not?
2
Electrify
2. DC voltage on
IC6
Put-in
→
DC12V
Put-out
→
DC5V
●
Rectifier circuit
goes wrong
●
Step-down
voltage
transformer
broken
Check voltage
Circuit goes wrong
1.Check the control
load of outdoor
electrical units
relay open
→
0.7V
relay off
→
12V
RELAID. RE1. RE2
RE3. RE4. RE5 RE6.
RE7. RE8 goes
wrong
3
Special protect mode
2. Indoor fan
Output voltage of
Silicon controlled
rectifier IC5 is about
134VAC-160VAC
Silicon controlled IC6
goes wrong.
9. Fault analysis of major parts
Summary of Contents for GPAC12039
Page 35: ...33 ...
Page 36: ...34 Section 6 Explosion View Model e g ...
Page 38: ...36 Outdoor Unit Model e g ...
Page 43: ...41 b Single Cooling Model ...
Page 44: ...42 Section 9 Service Record Date Page Part Cause Report ...
Page 45: ......
