13-8
TROUBLESHOOTING
SM DLSDCI 3-A.1 GB
13.4.2
Outdoor unit diagnostics and corrective actions
No
Fault Name
Fault Description
Corrective Action
1
OCT short/disconnect
Thermistor not connected or
damaged
Check Thermistor
(13.5.13)
2
CTT short/disconnect
3
HST short/disconnect
4
OAT short/disconnect
5
OMT short/disconnect
6
RGT short/disconnect
7
RLT short/disconnect
8
High pressure protection
Compressor stopped due to
high pressure protection
Normally no action is required
If the problem persists for more than twice
on each hour, check for refrigerant clog.
Check the switch operation
( 13.5.14)
9
Low pressure protection
Compressor stopped due to
low pressure protection
Normally no action is required
If the problem persists for more than twice
on each hour, check for refrigerant leak.
Check the switch operation
( 13.5.15)
10
No communication to
Driver
Driver fault
Check power supply to driver
Check driver communication
( 13.5.16)
11
x
Compressor IPM
Fault
x
IPM Driver Pin
x
Compressor Current
Sensor Fault
Over current / IPM
malfunction
Check no obstruction to electrical box and
outdoor coil air inlet.
Check Compressor
(13.5.10)
12
No Water Flow (For Hydro
Units only)
NA
NA
13
Refrigerant Leakage
NA
NA
14
DC Under/over voltage
DC voltage exceeds its limit
Check if input voltage out of limit, if not
and the problem persists, replace driver.
If voltage is high/Low, shut off the power
power supply
15
AC under voltage/AC over
Voltage/Zero Crossing
AC input voltage is lower/
higher than limit
Check if input voltage is out of limit, if not
and the problem persists, replace driver.
If voltage is High/low, recommend the
"
16
Mismatch between IDU &
ODU models
Mismatch between IDU and
ODU models
Indoor unit sizes are exceeding outdoor
unit capacity, check indoor units model
plugs. Either too high or too low capacity
indoor units
Missing ODU
& !
ODU dip switches are not
!"
Check ODU dip switch setting if correct
W
17
No Communication to IDU IDU-ODU communication
Check communication between indoor
and outdoor units
(13.5.17)
18
System Over Power
Protection – not available
-
Содержание DLS 43 DCI
Страница 7: ...1 4 INTRODUCTION SM DLSDCI 3 A GB INDOOR UNITS OUTDOOR W DLS 18 DLS 24 q DLS 36 DLS 43 Q Q Q Q Q Q...
Страница 17: ...4 2 OUTLINE DIMENSIONS SM DLSDCI 3 A 1 GB 4 2 Outdoor Unit YBDE018 024 4 3 Outdoor Unit YBDE030...
Страница 18: ...4 3 OUTLINE DIMENSIONS SM DLSDCI 3 A GB 4 4 Outdoor Unit YBDE036 H11 4 5 Outdoor Unit YAD042 H13 YBD042 H11...
Страница 62: ...SM DLSDCI 3 A 2 GB 9 2 WIRING DIAGRAMS 9 3 Indoor Unit DLS 43 DCI...
Страница 117: ...12 4 CONTROL SYSTEM SM DLSDCI 3 A 1 GB 12 11 7 Segment Legend 7 7 segments lege end...
Страница 151: ...14 12 SERVICING SM DLSDCI 3 A 1 GB 14 2 7 Removing Fan 14 2 6 14 2 8 Removing motor capacitor _...
Страница 154: ...SM DLSD CONTRO DCI 3 A 2 OL SYSTEM M 15 2...
Страница 155: ...SM DLSD CONTRO DCI 3 A 2 OL SYSTEM M 15 3...
Страница 156: ...SM DLSD CONTRO DCI 3 A 2 OL SYSTEM M 15 4...
Страница 157: ...SM DLSD CONTRO DCI 3 A 2 OL SYSTEM M 15 5...
Страница 172: ...15 2 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLSDCI 3 A 1 GB 15 6 2 Outdoor Unit Parts Assembly CZ BZ YI C B I CY...
Страница 176: ...15 2 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLSDCI 3 A 1 GB 15 7 2 Outdoor Unit Parts Assembly BZ CZ C CY I CK YI B...