Troubleshooting - Vivax ACP-12CT32AEI/I Service Manual

MCAC-UTSM-2008-04

9. Troubleshooting

9.1 Indoor unit malfunction
LED indication (ACP-12CT32AEI/I (-Q))

Running
No
lamp
☆
1
×
2
×
3
☆
4
☆
5
☆
6
☆
7
☆
8
☆
9
(× Extinguish, ☆ Flash at 5Hz, ● On)
u
LED indication (MFA-18HRDN1 (-Q))
No. Running lamp
☆
1
×
2
×
3
Outdoor Units
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Timer Defrosting
lamp lamp
× ×
× ☆
☆ ×
×
☆
×
☆
☆ ☆
●
☆
● ×
● ●
Timer lamp Defrosting lamp
×
☆
×
Room temperature sensor checking channel is abnormal
Evaporator sensor checking channel is abnormal
In-outdoor unit communication checking channel is abnormal
EEPROM malfunction
Module protection
Outdoor temperature sensors malfunction
Outdoor unit voltage protection
Compressor discharge over-temperature protection
Outdoor unit current protection
×
Room temperature sensor malfunction
×
Indoor/outdoor unit communication is abnormal
◎
Outdoor unit is abnormal.
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Troubleshooting
Malfunction
Malfunction
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