McQuay M4LC, Руководство по обслуживанию

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51
Inverter Outdoor Unit
Model
SLX 10/15/20/25C/CR
MSV 25/35A
MSX 20/25/30A/AR
Normal running / compressor running RED LED blinking
No. of Blinks Blinking Indication
1 Normal running, with no limitation
2 Voltage limit
3
Cooling unit: outdoor coil temperature limit
Heating unit: indoor coil temperature limit
4 Total current limit
5 Discharge temperature limit
6 Cooling unit: indoor coil temperature limit
7 Indoor fan control
8 Outdoor frequency adjustment
Compressor stopped RED LED blinking
No. of
Blinks
Faulty Indication
No. of
Blinks
Faulty Indication
1 Outdoor ambient sensor error 15 DC fan motor feedback error
2 Outdoor coil sensor error 16 AC peak current error
3
Outdoor discharge sensor error /
compressor overheat
17 Outdoor suction sensor error
4 DC compressor feedback error 18 None
5 Communication error 19 DC compressor speed control error
6 Over current error 20 None
7 No load 21 Outdoor suction pipe A sensor error
8 Over / under voltage 22 Outdoor suction pipe B sensor error
9 DC compressor start failure 23 Outdoor suction pipe C sensor error
10 Cooling overload 24 Outdoor suction pipe D sensor error
11 Defrost 31 Communication error with indoor A
12 IPM protection 32 Communication error with indoor B
13 Read EEPROM error 33 Communication error with indoor C
14 Write EEPROM error 34 Communication error with indoor D