Electronic Parts Troubleshooting Guide
104 Universal System Air Conditioner
5. When indoor Fan does not operate
Check the SSR high speed operation by remote control.
(The Indoor Fan Motor is connected)
Turn off Main power
Check the connection of CN-FAN or CN-MOTOR
Check the Fan Motor
Check the Fuse(AC250V/T2A)
Turn ON Main Power
Check the related circuit of indoor Fan Motor.
• The pin of Micom, and the part for driving SSR
• Check the pattern
• Check the SSR
- SSR Open: Indoor Fan Motor never operate
- SSR short: Indoor Fan Motor always operates in case of ON or OFF.
The voltage of PIN NO 1(blue) and 3(yellow) of CN-FAN or CN-MOTOR.
About AC 160V over
About AC 50V over
SSR is not damaged
SSR Check
Summary of Contents for ATNH126ELFB
Page 68: ...72 Universal System Air Conditioner II Outdoor Units Introduction 73 MPS Variable SINGLE A 75 ...
Page 82: ...86 Universal System Air Conditioner MPS Variable SINGLE A 4 Wiring Diagrams AUUH126B AUUH186B ...
Page 83: ...MPS Inverter SINGLE A Service Manual 87 AUUH246B AUUH306B ...
Page 84: ...MPS Inverter SINGLE A 88 Universal System Air Conditioner AUUH368B AUUH488B ...
Page 85: ...Service Manual 89 MPS Variable SINGLE A AUUH608B ...
Page 104: ...Electronic Control Device 108 Universal System Air Conditioner Ceiling Duct Type BH Series ...
Page 105: ...Electronic Control Device Service Manual 109 BG BR Series ...
Page 106: ...Electronic Control Device 110 Universal System Air Conditioner VE Series Ceiling Floor ...
Page 107: ...Electronic Control Device Service Manual 111 VB Series ...
Page 109: ...Schematic Diagram Service Manual 113 Ceiling Cassette Type ...
Page 110: ...Schematic Diagram 114 Universal System Air Conditioner Ceiling Duct Type ...
Page 111: ...Schematic Diagram Service Manual 115 Ceiling Floor ...
Page 151: ...P No 3828A22009F Printed in Korea ...