13-7
TROUBLESHOOTING
SM DL
F
1
-A.1 GB
No
Problem
AO
5
4
3
2
1
1
OCT is shorted/disconnected
Yes
0
0
0
0
1
2
CTT is shorted/disconnected
Yes
0
0
0
1
0
3
HST is shorted/disconnected
Yes
0
0
0
1
1
4
OAT is shorted/disconnected
Yes
0
0
1
0
0
5
OMT is shorted/disconnected
Yes
0
0
1
0
1
6
RGT is shorted/disconnected
Yes
0
0
1
1
0
7
RLT is shorted/disconnected
Yes
0
0
1
1
1
8
High pressure protection
Yes
0
1
0
0
0
9
Low pressure protection
Yes
0
1
0
0
1
10
No communication to Driver
Yes
0
1
0
1
0
11
x
Compressor IPM Fault
x
IPM Driver Pin
x
Compressor Current Sensor Fault
Yes
0
1
0
1
1
12
No Water Flow (For Hydro Units only)
Yes
0
1
1
0
0
13
Refrigerant Leakage
No
0
1
1
0
1
14
x
DC over voltage
x
DC under voltage
Yes
0
1
1
1
0
15
x
AC under voltage
x
AC over Voltage
x
Zero Crossing detection
Yes
0
1
1
1
1
16
x
Mismatch between IDU & ODU models
x
'<=
x
=<='
Yes
1
0
0
0
0
17
No Communication
Yes
1
0
0
0
1
18
System Over Power
Yes
1
0
0
1
0
19
>
PFC Current sensor
>
Missing phase
>
Phase order mismatch
>
PFC Trip (Oveload)
Yes
1
0
0
1
1
20
Heat sink Over Heating
Yes
1
0
1
0
0
21
Deicing
No
1
0
1
0
1
22
Compressor Over Heating
Yes
1
0
1
1
0
23
Compressor Over Current
Yes
1
0
1
1
1
24
No OFAN Feedback (Both OFAN_UP or OFAN_DN)
Yes
1
1
0
0
0
25
x
OFAN IPM fault
x
OFAN IPM Driver Pin
Yes
1
1
0
0
1
26
Compressor Lock
Yes
1
1
0
1
0
27
Indoor Coil defrost
Yes
1
1
0
1
1
28
Abnormal system behave
No
1
1
1
0
0
29
Indoor Sensor fault
Yes
1
1
1
0
1
30
x
Outdoor Coil Overheating
x
Indoor Coil Overheating
Yes
1
1
1
1
0
31
Operation conditions are exceeded
Yes
1
1
1
1
1
1 - ON, 0 - OFF
Only one code is shown. Order of priority is lower to the higher number. Diagnostics is continuously
ON as long power is on.
Содержание DLF 18 DCI
Страница 11: ...4 2 OUTLINE DIMENSIONS SM DLF 1 A 1 GB 4 2 Outdoor Unit YBDE 018 024...
Страница 31: ...12 3 CONTROL SYSTEM SM DLF 1 A 1 GB 12 2 2 Controller overview 12 2 2 1 Main Controller Indoor Unit DLF 18 24...
Страница 65: ...12 37 CONTROL SYSTEM SM DL A 1 GB 12 9 5 Remote Control RC 8 Reset Operation...
Страница 69: ...12 41 CONTROL SYSTEM SM DLF 1 A 1 GB 12 11 7 Segment Legend 7 7 segments lege end...
Страница 91: ...14 2 SM DLF 1 A 1 GB EXPLODED VIEWS AND SPARE PARTS LISTS 14 2 Indoor Unit DLF 18 DCI...
Страница 95: ...14 6 SM DLF 1 A 1 GB EXPLODED VIEWS AND SPARE PARTS LISTS 14 4 Indoor Unit DLF 24 DCI E F G D E D D E D...
Страница 96: ...14 7 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 14 5 Indoor Unit DLF 24 DCI...