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ASCON Service Guide Book

Ducted Blower B/C/D/ER Series Model – Single Compressor

Rooftop Packaged Air Conditioner – Single Compressor

Model Board Handset

SB 75 – 100B/BR L208A SLM3

SB 75 – 100D L208A SLM3

SB 75 – 100ER L208A SLM3

SB 125 – 150B/BR U1SB125 SLM3

SB 125CR U1SB125 SLM3

SB 125 – 150D U1SB125 SLM3

SB 125 – 150ER U1SB125 SLM3

RT 55 – 120A/AR U1SB125 SLM3

Seven Segment Display – SLM3

Seven Segments Faulty Indication

E1 blinking Room air sensor contact loose / short

E2 blinking Indoor coil sensor contact open

E3 blinking Outdoor coil sensor contact open

E4 blinking

Compressor overload protection /

Indoor coil sensor short /

Outdoor coil sensor short

E5 blinking Gas leak

Model Board Handset

SB 75 – 100B/BR L208A SLM3

SB 75 – 100D L208A SLM3

SB 75 – 100ER L208A SLM3

SB 125 – 150B/BR SB125 SLM3

SB 125CR SB125 SLM3

SB 125 – 150D SB125 SLM3

SB 125 – 150ER SB125 SLM3

RT 55 – 120A/AR SB125 SLM3