MCAC-UTSM-2008-04
Troubleshooting
Outdoor Units
47
2. Timer lamp flash at 5Hz
3. Defrosting lamp flash at 0.5Hz
The indoor alarm lamps flash at 0.5Hz.
Outdoor unit is abnormal, refer to the outdoor unit malfunction part to solve this problem.
Timer lamp flash at 5Hz
Communication malfunction between indoor/outdoor units
Judge 3: Check whether the signal wiring between the
indoor and outdoor units is wrong polarity?
Connect the signal wiring correctly
Yes
No
Judge 4: Check whether the signal wiring between the
indoor and outdoor units is broken?
Yes
Replace the broken wiring
No
Judge 2: Check whether the signal wiring is shield cable or
whether the shield cable is earthing
Yes
Adopt the shield cable/ shield cable
earthing
No
Indoor or outdoor main board is broken, replace the
main board until the malfunction is disappear
Turn on the indoor unit power
No
Yes
Judge 1: Check whether the indoor unit power is on
文件使用
"pdfFactory Pro"
试用版本创建
www.fineprint.cn
Содержание ACP-12CT32AEI/I
Страница 1: ...ACP 12CT32AEI I ACP 12CT32AEI O RoHS Service manual ENG ...
Страница 2: ......
Страница 59: ......
Страница 60: ......
Страница 61: ......