P00860Q-rev.2
37
9.3 Alarm
Code
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unit and the wired controller (loose connector, disconnected or incorrect wiring, or a severed connection).
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Alarm (Troubleshooting) Code Table
Code
No.
Category
Nature of Problem
Likely Cause
01
Indoor Unit
Activation of a protection device
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the drain pan.) A problem exists in the piping.
02
Outdoor Unit
Activation of protection device;
(Except for Alarm Code: 41, 42)
High Pressure Cut; (R410A: 601 psi (4.15MPa)), fan
motor lockup during the outdoor unit cooling operation.
03
Communication
Communication failure between
indoor and outdoor units
Incorrect wiring, loose terminals, disconnected wiring or a
blown fuse.
04-09
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11
Sensor on
Indoor Unit
Inlet Air Thermistor failure
Loosely connected, disconnected, or a severed
connection.
12
Outlet Air Thermistor failure
13
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14
Gas Piping Thermistor failure
19
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indoor unit activated.
20-29
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31
System
Incorrect capacity setting for indoor
and outdoor units
Incorrect capacity code setting for combination, excessive
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32
Incorrect setting of other indoor unit
number
Problem with a different Indoor Unit in the same refrigerant
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35
Incorrect setting of indoor
Indoor unit number duplicated in same refrigerant group.
36
Incorrect indoor unit combination
Indoor unit is designed for other refrigerant; (R22 or
R407C).
38-59
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b0
System
Incorrect setting for unit capacity
Incorrect setting for unit capacity
b1
Incorrect setting of unit and
refrigerant cycle number
Unit number or refrigerant cycle > 64
b5
Incorrect setting of indoor unit
number for H-LINK type
Interconnected indoor units are not supporting
H-LINK II > 17
EE
Compressor
Compressor protection alarm
This alarm code displays when the alarms such as
damage to the compressor occur three times within a six
hour period.
Routine Preventative Maintenance
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procedures for future reference:
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3) Total refrigerant quantity in the system including factory charge and trim charge volumes
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and maintenance procedures must be performed by trained and authorized personnel only.
All the installation work of the air conditioning is completed.
Handover this information to the building owner and request to maintain all the equipment manuals
and warranty.
Do NOT operate the air conditioning just to run checks on electrical wiring until preparations for the Test Run
phase is completed.
NOTICE
