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R410a tropical air-cooled scroll chiller unit 60Hz MCAC-ATSM-2014-09
108 Troubleshooting
1. Malfunction & Protection Codes
1.1 MGBT-F25W/DN1, MGBT-D25W/DN1, MGBT-D30W/DN1, MGBT-F30W/DN1
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 or power supply protection
9
E8
Air exhaust temp. sensor error of digital compressor
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 double-pipe heat exchanger error
13
EC
Wired controller did not find out any on-line module unit
14
ED
Wired controller and module unit communication error
15
Ed
1-hour consecutive 4-times PE protection
16
EE
Wired controller and computer communication error
17
EF
Inlet water temp. sensor error
18
P0
High pressure or air discharge temp. protection error in system A
19
P1
Low pressure protection happens to system A
20
P2
High pressure or air discharge temp. protection in system B
21
P3
Low pressure protection happens to system B
22
P4
Current protection happens to system A
23
P5
Current protection happens to system B
24
P6
Condenser high pressure protection happens to system A
25
P7
Condenser high pressure protection happens to system B
26
P8
Air discharge temp. sensor protection of digital compressor in system A
27
P9
Protection of outlet and inlet water temp. difference
28
PA
Low ambient temp. drive-up protection
29
Pb
System freeze-proof protection
30
PE
Low temp. protection of double-pipe heat exchanger
31
F1
Wired controller failure
32
F2
Failure of reduction of wired controller number at parallel connection of multiple wired controller (reserved)
Summary of Contents for MGBT-D25W/DN1
Page 34: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09 4 3 MGBT F120W DN1...
Page 38: ...R410a tropical air cooled scroll chiller unit 60Hz MCAC ATSM 2014 09 5 3 MGBT F120W DN1...
Page 47: ...MCAC ATSM 2014 09 R410a tropical air cooled scroll chiller unit 60Hz Capacity tables 47...
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