York TIWM006B22S, Installation And Maintenance Manual

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P5417090
● When the indicator “ ” flashes every 4 seconds, there is a communication failure between the indoor
unit and the wired controller (loose connector, disconnected or incorrect wiring, or a severed connection).
● The indication of the alarm code “EE” means serious abnormality and burn out of the compressor.
Refer to the "Installation and Maintenance Manual" for the indoor/outdoor unit connections.
9.3 Alarm Code
Alarm (Troubleshooting) Code Table
Code
No.
Category Nature of Problem Likely Cause
01 Indoor Unit
Activation of a protection device
(Float switch)
Activation of the float switch; (High water level present in
the condensate 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 Problem with the outdoor unit; (Refer to the "Installation and Maintenance Manual" for outdoor units.)
11
Sensor on
Indoor Unit
Inlet Air Thermistor failure
Loosely connected, disconnected, or a severed
connection.
12 Outlet Air Thermistor failure
13 Freeze Protection Thermistor failure
14 Gas Piping Thermistor failure
19 Fan Motor Problem with Indoor Fan
Fan motor lockup, fan motor protection control device for
indoor unit activated.
20-29 Problem with the outdoor unit; (Refer to the "Installation and Maintenance Manual" for outdoor units.)
31
System
Incorrect capacity setting for indoor
and outdoor units.
Incorrect capacity code setting for combination, excessive
or insufficient total indoor unit capacity code.
32
Incorrect setting of other indoor unit
number
Problem with a different Indoor Unit in the same refrigerant
cycle; (Failure at the power supply, defective PCB).
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 Problem with the outdoor unit; (Refer to the "Installation and Maintenance Manual" for the outdoor unit.)
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 6
hour period.
Refrigerant Leak Check
Conduct a periodic refrigerant leak check to maintain product performance and secure storage of refrigerant
(Fluorocarbons). After completing installation, record the following results into this manual:
1. Results of a leak test all piping and connections
2. Total refrigerant charge volume dispensed (including a trim charge added following the installation)
3. Result of the refrigerant leak check
Then hand it over to users and ask them to retain for reference.
All periodic service and maintenance procedures must be conducted only by authorized and trained personnel.
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