Seeley Braemar MBHVD1S Series Owner's Manual page 20

OPERATION cont. OPERATION cont.
ERROR DISPLAY cont. ERROR DISPLAY cont.
Error codes and their meanings are shown below: Error codes and their meanings are shown below:
Number Error Code
Number Error Code
LA
33
32
Lc
34
33
Ld
35
34
LE
36
35
LF
37
36
LP
38
37
L3
39
38
L9
40
39
Pd
41
40
PE
42
41
PF
43
42
PH
44
43
PL
45
44
PP
46
45
PU
47
46
P5
48
47
P6
49
48
P7
50
49
P8
51
50
P9
52
51
U1
53
52
U3
54
53
U5
55
54
U7
56
55
U8
57
56
58
57
58
DRED CODES
59
Number DRED Code
60
1 d1
61
2 d2
d3
3
18
Error Description
Error Description
Outdoor fan 1 error protection
H3 Compressor overheating protection
Compressor startup failure
H5 IPM current protection
Compressor phase loss/reversal protection
H6
Motor stalling
Compressor stalling
H7 Compressor desynchronizing protection
Over-speeding
LA Outdoor fan 1 error protection
Indoor and outdoor units unmatched
Lc Compressor startup failure
Outdoor fan 1 error protection
Ld Compressor phase loss/reversal protection
Over-power protection
LE
Compressor stalling
Sensor connection protection
LF Over-speeding
Temperature drift protection
LP Indoor and outdoor units unmatched
Drive board temperature sensor error
L3 Outdoor fan 1 error protection
DC Bus over-voltage protection
L9 Over-power protection
DC Bus under-voltage protection
Pd
Sensor connection protection
AC input voltage abnormal
PE Temperature drift protection
Capacitor charging error
PF
Drive board temperature sensor error
Over phase current protection
PH DC Bus over-voltage protection
Drive board communication error
PL DC Bus under-voltage protection
IPM temperature sensor open/short circuited
PP
AC input voltage abnormal
IPM temperature protection
PU Capacitor charging error
AC contactor protection
P5 Over phase current protection
Compressor phase current sensing circuit error
P6 Drive board communication error
DC bus voltage drop error
P7 IPM temperature sensor open/short circuited
Whole unit current sensing circuit error
P8 IPM temperature protection
4 way valve reversing error
P9 AC contactor protection
PG motor zero-crossing protection
U1 Compressor phase current sensing circuit error
Defrost or oil return
U3 DC bus voltage drop error
U5 Whole unit current sensing circuit error
U7 4 way valve reversing error
Code Description
U8 PG motor zero-crossing protection
DRED mode 1 (full shut down)
Defrost or oil return
DRED mode 2 (50% power)
DRED mode 3 (75% power)
MBHVD1S Series Multi Cassette