Fault Code Table - Carrier 33Aw-Cs1 Manuel D'utilisation

What If !

Fault Code Table

NUI will read Main Board Failures through one of the
communication parameters (Parameter 22). When entered
into user setup and scroll the parameters to number 22, NUI
Fault Code
3
4
5
6
7
8
9
10
11
12
13
14
15
17
18
20
21
22
23
24
26
27
28
29
30
31
16
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Enter water Temperature Thermistor (EWT)
Actual Refrigerant Temperature Thermistor BPHE
Outdoor Air Thermistor of GMC
Loss communication to NUI
NUI Room Thermistor
Unit Capacity Mismatch
Flow Switch error / Water Pump
EEPROM Corrupt
OAT high than Stop Heat
OAT low than Stop Cool
Loss Communication to RS485 (system configuration type=6)
Loss of Signal From CDU
Leaving water Temperature Thermistor (LWT)
CDU Outdoor Air Thermistor (TO)
G-Tr short circuit protection
Position Detection Circuit Error
Current Sensor Error
Outdoor Heat Exchange Sensor (TE) / (TS)
Discharge Temperature Sensor (TD)
Outdoor Fan Error
Other Outdoor Error
Compressor Lock
Discharge Temperature Error
Compressor Breakdown
Low Pressure Switch
High Pressure Release
manuals search engine
will display active fault codes mentioned in below table.
These active fault codes will be displayed in a sequence,
with the change rate of 1 second.
Fault