Troubleshooting guide

40
Ceiling Cassette A / B / C Series Model
Model Board Handset
CK 20/25/30/40/50A/AR L208A
CK 15/20/25B/BR L208A
CK 10/15/20C/CR L208A
LED Indicator Light Display - Cooling
LED Indicator Light Display – Heating
LED Light Diagnostic Table
Operation / Faulty Indication
Cooling mode
Timer On
Sleep mode On
Heating mode
Auto mode in cooling operation
Auto mode in heating operation
Compressor overload protection /
Indoor coil sensor short /
Outdoor coil sensor short
Pump fault
Gas leak
Room air sensor contact loose / short
Indoor coil sensor contact open
Outdoor coil sensor contact open
SLEEP
TIMER
POWER
TIMER
POWER
HEAT
1 time
2 times
3 times
1 time
2 times
3 times
/
ON
ON or OFF
BLINKING
G7 / SLM3 / Netware 3
G7 / SLM3 / Netware 3
G7 / SLM3 / Netware 3