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Troubleshooting
Liebert
®
SRC
™
User Manual 108
Table 10-1 Error Codes
Unit
Error
No.Description
Indoor
Unit
LED
SRC18 LED blinks
SRC24 and
SRC36
displays
LED 1
(2
nd
digit)
LED 2
(1
st
digit)
Indoor
1 Indoor unit room-temperature sensor error 9 1x — CH01
2 Indoor unit inlet pipe sensor error 9 2x — CH02
3Wired remote-control error 9 3x — CH03
4Float switch (optional) error 9 4x — CH04
5Communication error between indoor and outdoor unit 9 5x — CH05
6 Indoor unit outlet-pipe sensor error 9 6
x — CH06
9 Indoor unit EEPROM error 9 9x — CH09
10 Indoor unit BLDC motor fan lock 9 —1x CH10
12 Indoor unit middle pipe sensor error 9 2x 1x CH12
Outdoor
21DC Peak (IPM fault) 9 1x 2x CH21
22 CT 2 (Max CT) 9 2x 2x CH22
23DC Link Low/High Volt 9 3x 2x CH23
26DC Comp Position Error 9 6x 2x CH26
27 PSC Fault 9 7x 2x CH27
29Comp Phase Over-current 9 9x 2x CH29
32 Invert Compressor D-pipe Overheat 9 2x 3x CH32
38 Refrigerant Lea
k detection 9 8x 3x CH38
37 Exceed the Compression Ration Limit 9 7x 3x CH37
41D-pipe Sensor Error 9 1x 4x CH41
44 Outdoor Air Sensor Error 9 4x 4x CH44
45Cond. Out Pipe High 9 8x 4x CH45
51 Excess Capacity (Mismatching between In/Outdoor unit)
9 1x 5x CH51
53 Communication Error (IN-OUT) 9 3x 5x CH53
60 Outdoor EEPROM Check sum error 9 —6x CH60
61 Cond. Pipe High 9 1x 6x CH61
62 Heat Sink Sensor Temp. High 9 2x 6x CH62
65 Heat sink Th Error (open/short) 9 5x 6x
CH65
67 BLDC Motor Fan Lock 9 7x 6x CH67
72 Detect 4 Way Valve Transfer Failure 9 2x 7x CH72
93 Communication Error (IN-OUT) 9 3x 9x CH93
MFL67502030 17. 7. 13. 오오 3:05 Page 118
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