Multi Zone Service Manual - General

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Only for training and service purposes
5. Trouble Shooting
1. Self-diagnosis Function
1.1 Error Indicator (Indoor)
Ceiling Cassette Type Display
The number of times to blink = Error code
10 degrees 1 degrees
Error Indicator
• The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.
• Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
• If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
• After error occurrence, if error is released, error LED is also released simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• Having or not of error code is different from Model.
Indoor Error
00 No Error ON
01 Indoor Room themistor error OFF
02 Indoor in-piping sensor error OFF
03 Remote controller error OFF
04 Drain Pump error OFF
05 Communcation error between in and out OFF
06 Indoor Out-Piping sensor error OFF
07 Differnt mode operation OFF
09 EEPROM Check Sum Error OFF
10 Indoor BLDC Fan Lock OFF
Error code
Description
Indoor Status
1 degrees
10 degrees
Wall Mounted Type Display
The number of times to blink = Error code