Troubleshooting guide

50
Seven Segment Display
Model Board Handset
WMX 10 – 25G/GR VA3.0 SLM3
CKX 20 – 25A/AR VA3.0 SLM3
CKX 10 – 20C/CR VA3.0 SLM3
CEX 15 – 25E/ER VA3.0 SLM3
CCX 10 – 25C/CR VA3.0 SLM3
Cooling / Heat pump Model
Seven Segments Faulty Indication
E1 blinking Indoor temperature sensor loose / short
E2 blinking Outdoor temperature sensor loose / short
E3 blinking Communication error
E4 blinking Compressor overload protection
E5 blinking Pump fault
E6 blinking Compressor overheat / gas leak
E7 blinking IPM / PFC / Partial switching
E8 blinking Outdoor over current
E9 blinking Indoor fan feedback error