Troubleshooting Guide
Service Manual 101
When indoor Fan does not operate.
Trouble 4
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.
Check the Fan Motor.
Check the Fuse(AC250V, T2A).
Turn on the main power
Check the related circuit of indoor Fan Motor.
• The pin No.
38
of micom and the part for driving SSR.(Q01M)
• Check the related 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(orange) and 3(black) of CN-FAN.
About AC 160V over
About AC 50V over
SSR is not damaged
Check SSR
Summary of Contents for ABNH186HLAB
Page 66: ...66 Universal System Air Conditioner II Outdoor Units Introduction 67 AUUW B AUUW 0 R410A 69 ...
Page 121: ...Electronic Control Device Service Manual 121 Ceiling Duct Type BH Series ...
Page 122: ...Electronic Control Device 122 Universal System Air Conditioner BG BR Series ...
Page 123: ...Electronic Control Device Service Manual 123 VE Series Ceiling Floor ...
Page 124: ...Electronic Control Device 124 Universal System Air Conditioner VB Series ...
Page 126: ...Schematic Diagram 126 Universal System Air Conditioner Ceiling Cassette Type ...
Page 127: ...Schematic Diagram Service Manual 127 Ceiling Duct Type ...
Page 128: ...Schematic Diagram 128 Universal System Air Conditioner Ceiling Floor ...
Page 183: ...P No 3828A22009B Printed in Korea ...