U-Match Series DC Inverter Service Manual
36
through the hole at the back of wired controller‟s base plate.
b) Fix the base plate and installation hole of the wall together with screw M4×25.
c) Fix the above mentioned 2-core signal wire on the copper insert X1 and X2 with the
equipped screws of wired controller.
d) Fasten the wired controller‟s panel with its base plate together.
5.4 Removal of Wired Controller
Figure 2-5-3 Removal of wired controller
6 TROUBLESHOOTING
6.1 Display of Error Code
Table 2-6-1 Error Code List
Compressor high pressure protection
Compressor low pressure protection, refrigerant lacking protection, refrigerant
recycling mode
Compressor high discharge temperature protection
Communication malfunction
Malfunction of indoor fan motor
Malfunction of indoor ambient temperature sensor
Malfunction of evaporator temperature sensor
Malfunction of condenser temperature sensor
Malfunction of outdoor ambient temperature sensor
Malfunction of discharge temperature sensor
Malfunction wired controller temperature sensor
Wong dial switch of capacity
Malfunction of outdoor main control memory chip
Malfunction of electric box sensor
Compressor overload protection
Malfunction of DC fan motor
Drive desynchronizing protection
Malfunction of humidity sensor
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