1
.5.
Display CL
Cause: Air filter duty, the unit operation Cumulative time 500 hours, the controller will confirmation the filter
dirty and display CL.
Solution: Clean the air filter then cut off the power and supply again.
1
.6 MALFUNCTION (PARTS) CHECK METHOD
1
.6.1 Procedure for determining defective outdoor unit IPM/compressor
The following flow chart shows a procedure for locating the cause of a malfunction when the compressor
does not start up and a DC overcurrent indication error occurs.
Clean indoor or outdoor
heat exchange
Clean indoor heat exchange
and outdoor heat exchange
Check the refrigerant
amount
Check the installation condition
Installation again
P9
Use the remote operates
the air conditioner
Does compressor start up
No
Does the wire
connects right
No
Connects wire
again
Yes
Open
Does low or high press
valve opened
Operates again after 3 Mins
Yes
Yes
No
Compressor star up
Yes
Does indoor unit LED
display error code.
Normal
No
Replace the
inverter PCB
Normal
Yes
No
Replace the compressor
P0
Does compressor start
Does the wire
connects right
Connects wire
again
Replace the inverter PCB
Normal
No
Yes
Normal
Normal
Add gas
Not enough
EEPROM
Air Conditioner Service Manual
43
Содержание MGTC0913C-20
Страница 12: ...5 Wiring diagram OUTDOOR UNIT INDOOR UNIT Mode MGTC0913E 20 MGTC0913C 20 Air Conditioner Service Manual 11...
Страница 13: ...Air Conditioner Service Manual OUTDOOR UNIT INDOOR UNIT Mode MGTC0923E 20 MGTC0923C 20 12...
Страница 14: ...Air Conditioner Service Manual M MGTC1213E 20 MGTC1213C 20 INDOOR UNIT OUTDOOR UNIT 13...
Страница 15: ...MODEL MGTC1223E 20 MGTC1223C 20 1 225 81 7 287 225 81 7 14 Air Conditioner Service Manual...