'18 • PAC-SM-298
-
48
-
Error code
Remote control:
LED
Green
Red
Indoor
Outdoor
Content
None
Operates but does not heat
Keeps flashing
Stays OFF
Keeps flashing
Stays OFF
1. Applicable model
5. Troubleshooting
All models
Diagnosis
Countermeasure
It is normal.
(This unit is designed to
start in the soft start mode
by detecting the under
dome temperature of
compressor when it restart
after power reset.
It is necessary to replace to
higher capacity one or to
install additional unit.
Compressor refrigerant oil
protection control at starting
is activated. For the contents
of control, refer to the
compressor start control of
the microcomputer control
functions.
Compressor may be
stopped by the error
detection control.
For the contents of control,
refer to anomalous stop
control by controlling
compressor rotation speed
of microcomputor control
functions.
Inspect the followings.
• Minor clogging of filter
• Minor clogging of heat
exchanger
• Minor short-circuit
• Minor shortage of
refrigerant amount
• Poor compression of
compressor
Considering appropriate
operation control, check
suspicious points.
Inspect the followings for
reference.
• Major clogging of filter
• Major clogging of heat
exchanger
• Major short-circuit
• Major shortage of
refrigerant amount
• Compressor protection ON
• Indoor fan tap
• Valid setting of silent mode
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Faulty 4-way valve operation
• Poor compression of
compressor
• Faulty expansion valve
operation
Note:
Summary of Contents for FDE40ZSXW1VH
Page 46: ... 18 PAC SM 298 45 ...
