Self Diagnosis Function - Chigo SA-ZM03ENG-1 Instruction Manual

Self diagnosis function

Our company provides considerate service for the customer and install various judgment systems to
indicate following abnormalities.
Table 1: Failure code list of indoor unit
Failure description
3-phase electric phase sequence failure
Communication failure of indoor and outdoor units
Room temperature sensor (T1) failure
Failure of middle pipe temperature sensor (T2) of
Failure of middle pipe temperature sensor (T2B) of
Failure of outdoor unit
EEPROM failure of indoor unit
Water fill protection
Communication failure of indoor unit and line controller
Stalling protection of indoor fan
Note: The fast flashing frequency of above indication lamps is 2.5Hz and the slow flashing frequency is 1Hz.
Table 2: Parameter table for spot inspection of outdoor unit
The digital tube display the indoor unit amount connected and communicated with during standby
The digital tube displays the frequency value during operation of compressor; the digital tube displays"dF"
during defrosting;
No.
Normal
0
display
1 1-
2 2-
3 3-
4 4-
5 5-
6 6-
7 7-
8 8-
9 9-
10 10-
11 11-
12 12-
13 13-
14 14-
15 15-
16 16-
17 17-
18 18-
19 19-
7.Symptom analysis and treatment
Display content
Current frequency/indoor unit amount
Outdoor unit local capacity
Total capacity needs of indoor unit
Total capacity demands after outdoor Unit
Operation mode
Actual running ability of outdoor unit
Fan status
T2/T2B on average
T3 pipe temperature
T4 environmental temperature
T5 exhaust temperature
Opening of the electronic expansion valve
Primary side current
Secondary circuit current
Primary side voltage
Secondary side voltage
Sets of indoor units
Number of working indoor units
Last fault or protection code
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4LED failure indication
Fast flashing of timing light
Fast flashing of operation light
Fast flashing of operation light
Fast flashing of operation light
Slow flashing of defrosting light
Fast flashing of alarm light
Display the starting amount when standby
0: Power OFF/air supply;2: Cooling;3: Heating;4: Forced cooling
Actual value = spot inspection display value x 8
Actual value = spot inspection display value x 4
No protection or fault display
24
Digital tube display Line controller display
E0 E0
E1 E1
E2 E2
E3 E3
E4 E4
E5 E5
E7 E7
EE EE
E9 E9
F0 F0
Remark
120,140,160
0-7
Spot check over