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Troubleshooting Guide
1. Error indicator
• The function is to self-diagnosis air conditioner and express the troubles if there is any trouble.
• Error mark is displayed on wired-remote controller and LED of outdoor unit control board.
• If more than two troubles occur simultaneously, lower number of error code is first displayed.
• After error occurs, if error is released, error LED is also released simultaneously.
❈Indoor Error
Error Code
1 Air sensor (open/short) Open / Short Off
2 Inlet pipe sensor Open / Short Off
3 Communication(Indoor ↔Wired R/Control) Communication Poorly Off
4 Drain pump/ Float switch Float switch Open Off
5 Communication(Indoor ↔Outdoor) Communication Poorly Off
6 Outlet pipe sensor Open / Short Off
7 Different mode operation Different mode operation Off
9 EEPROM check sum Check sum mismatching Off
10 BLDC motor fan lock Motor not operation Off
15 Communication(indoor ↔Fan) Communication Poorly Off
Contents Indoor Status
Case of error
❈Outdoor Error
Error Code
24 High Pressure Switch operation High P/S operates 5times for1hour Off
33 D-Pipe Temp. High D-Pipe Temp ≥120°C Off
44 Air Sensor(open/short) Open/Short Off
45 Outlet Pipe Sensor(open/short) Open/Short Off
47 D-Pipe Sensor(open/short) Open/Short Off
48 S-Pipe Sensor(open/short) Open/Short Off
51 Excess Capacity Indoor load excesses 120K Off
54 Phase error Continually 5times error Off
Contents Indoor Status
Case of error
