20
*,Once this error occurs,need according to the troubleshooting to remove the cause of failure and then
Note:
1.
If the master unit malfunctions, the master unit stops, without impact on other units (except for flow
switch fault).
2.
If the slave unit malfunctions, only this unit stops, without impact on other units.
43 E70 Overtemperature of suction temperature sensor of System A compressor
▲
44 E71 Overtemperature of suction temperature sensor of System B compressor
▲
45 E72 Overtop Temperature difference of in and out water *
46 E74 Over-current protection of System C compressor
▲
47 E75 Open circuit or short circuit in exhaust temperature sensor of System C compressor
48 E76 Open circuit or short circuit in coil (outlet) temperature sensor 1 of System C
49 E77 Open circuit in low-pressure sensor of System C
50 E78 Low pressure protection of System C
▲
51 E79 Open circuit or short circuit in suction temperature sensor of System C
52 E80 Running time exceeded *
53 E81 Overtemperature of exhaust temperature sensor of System C compressor
▲
54 E82 Overtemperature of coil (outlet) temperature sensor 1 of System C
55 E83 High-pressure protection of System C
▲
56 E87 High-pressure protection of System D
▲
57 E89 Over-current protection of System D compressor
▲
58 E90 Open circuit or short circuit in exhaust temperature sensor of System D compressor
59 E91 Open circuit or short circuit in coil (outlet) temperature sensor 1 of System D
60 E92 Open circuit in low-pressure sensor of System D
61 E93 Low pressure protection of System D
▲
62 E94 Open circuit or short circuit in suction temperature sensor of System D
63 E96 Overtemperature of exhaust temperature sensor of System D compressor
▲
64 E97 Overtemperature of coil (outlet) temperature sensor 1 of System D
to electricity back on.
,They are severe protection faults.If such faults are repeated three times within 60min, the corresponding
,can be automatically restored after troubleshooting
systems fail to automatic recovery,and they must be recovered after troubleshooting in power failure.
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Note:
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