Service manual

64
Short/open circuit of the
temperature sensor at the
inlet of the condenser coil
( for the commercial unit)
/ A5 / / / / /
Short/open circuit of the
temperature sensor at the
outlet of the condenser coil
( for the commercial unit)
/ A7 / / / / /
Memory card error / EE / / / / /
Frequency limitation/
degradation for module
circuit protection
(for phase circuit)
/ En / / / / /
Frequency limitation/
degradation for module
temperature protection
/ EU / / / / /
Frequency limitation/
degradation for overload
/ F6 /
Flash 6
times
/ / /
Frequency limitation /
degradation for circuit
protection of the whole unit
/ F8 /
Flash 8
times
/ / /
Frequency limitation/
degradation for module
circuit protection
(for phase circuit)
/ F9 /
Flash 9
times
/ / /
Frequency limitation/
degradation for anti-
freezing protection
/ FH /
Flash 2
times
Flash 2
times
/ /
No indoor fan motor / H6
Flash 11
times
/ / / /
Compressor demagnetizing
protection
/ HE / /
Flash
14
times
/ /
Indoor and outdoor
units unmatched
/ LP
Flash 19
times
/ / / /
Compressor phase
circuit detection error
/ U1 / /
Flash
12
times
/ /
DC link voltage drop error / U3 / /
Flash
20
times
/ /
Zero detection circuit error / U8
Flash 17
times
/ / / /
Nominal cooling/heating
(capability test code)
/ P1 / / / / /
Max. cooling/heating
(capability test code)
/ P2 / / / / /
The words in gray means the corresponding function is unavailable.
Error Code Error Description Error Code Error Description Error Code Error Description
13
Unit A indoor unit pipe outlet
temperature sensor error
23
Unit B indoor unit pipe outlet
temperature sensor error
33
Unit C indoor unit pipe outlet
temperature sensor error
14
Unit A indoor pipe inlet
temperature sensor error
24
Unit B indoor pipe inlet
temperature sensor error
34
Unit C indoor pipe inlet
temperature sensor error
15
Unit A indoor ambient
temperature sensor error
25
Unit B indoor ambient
temperature sensor error
35
Unit C indoor ambient
temperature sensor error
16 Unit A mode conict 26 Unit B mode conict 36 Unit C mode conict
17 Unit A anti-freezing protection 27 Unit B anti-freezing protection 37 Unit C anti-freezing protection
41 Unit D communication error 46 Unit D mode conict 54
Unit E indoor pipe inlet
temperature sensor error
42
Unit D indoor pipe midway
temperature sensor error
47 Unit D anti-freezing protection 55
Unit E indoor ambient
temperature sensor error
62