MCAC-ATSM-2011-12 Air-cooled modular chiller unit 50Hz
99
11 Troubleshooting
11.1 Failure & Protection Codes of the Module
25/30kw module
No，
Code Trouble
1 E0 Water flow detection error (The third time)
2 E1 Power phase sequence error
3 E2 Communication error
4 E3 Total water outlet temperature sensor error
5 E4 Outlet water temperature sensor in Shell and tube exchanger error
6 E5 Pipe temperature sensor in condenser A error
7 E6 Pipe temperature sensor in condenser B error
8 E7 Outdoor ambient temperature sensor error
9 E8 System A is air discharge temperature sensor in digital compressor error
10 E9 Water flow detection error (The first and second times)
11 EA Main unit detect that auxiliary unit’s quantity have decreased
12 EB Freeze-proof temperature sensor 1 in shell and tube exchanger error
13 EC Wire control did not found out any on-line module unit
14 ED Wire control and module unit communication error
15 Ed 1-hour consecutive 4-times PE protection
16 EE Wire control and computer communication error
17 EF Inlet water temperature sensor error
18 P0 High pressure or air discharge temperature protection error in system A
19 P1 Low pressure protection system A
20 P2 High pressure or air discharge temperature protection in system B
21 P3 Low pressure protection System B
22 P4 Current protection in system A
23 P5 Current protection in system B
24 P6 Condenser high pressure protection in system A
25 P7 Condenser high pressure protection in system B
26 P8 System A is air discharge temperature sensor in digital compressor
27 Pb System freeze-proof protection
28 PE Low-temperature protection of double-pipe heat exchanger
29 F1 EEPROM failure
30 F2
Failure of reduction of wired controller number at parallel connection of multiple wired controller (reserved)
parallel connection of multiple wired controller
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