Samsung Electronics
12-2-3 The Outdoor unit Fan error (only UH035EAV)
1. Checklist :
1) Are the input power voltage and the power connection correct?
2) Is the motor wire connected to the outdoor PCB correctly?
3) Is there no assembly error or none-assembly in the terminal of motor wire connector?
4) Is there no obstacle at the surrounding of motor and propeller?
2. Troubleshooting procedure
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Is the Pin voltage of CN01
#1, #3 over 250V?
Is the Pin voltage of CN01 #3, #5
within 1~5V during the operation?
Is the Pin voltage of CN01 #3, #6 changed
during the operation? (Square-Wave)
Exchange the PCB.
Follow the Check Procedure of
outdoor unit power supply error check.
Does the Pin voltage of IC01 (MICOM)
No.13 change? (Square-Wave)
FAN DRIVE CIRCUIT
(Q901,Q902 etc.) error
Exchange the PCB.
Pull out the power cord and
execute the following step after 30 seconds.
Disassemble the BLDC FAN Wire.
Is the short between
the BLDC FAN Wires?
Exchange the BLDC FAN MOTOR.
Exchange the PCB.
MICOM Error
Exchange the PCB.
Troubleshooting
12-4
25888A(1)_1.indd 33
2006-04-14 ソタネト 2:26:12
Summary of Contents for UH035EAV Series
Page 46: ...MEMO Samsung Electronics 4 27 ...
Page 57: ...Samsung Electronics 5 11 5 3 Ass y Control Out UH035EAV DB93 03453A ...
Page 59: ...Samsung Electronics Ass y Control Out cont UH052EAV DB93 03665D UH070EAV DB93 03665E 5 13 ...
Page 106: ...Samsung Electronics MEMO 8 5 ...
Page 111: ...9 2 Refrigerating Cycle Diagram 9 5 Samsung Electronics EH035EAV UH035EAV ...
Page 112: ...Samsung Electronics EH052EAV UH052EAV EH070EAV UH070EAV Circuit Descriptions 9 6 ...
Page 164: ...Samsung Electronics 14 10 MEMO ...
Page 165: ...Samsung Electronics MEMO 14 11 ...