AUX ASW-H09B5B4/FAR3DI-C3, Service Manual

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22 Refrigeration Overload Protection P4
23
Exhaust Protection P5
24 Indoor High Temperature Protection P6
25
Anti-freezing Protection in Refrigeration Room P7
26 Overcurrent Protection P8
27
Function protection prompt of frequency
conversion Outdoor Unit machine
See the Error List
28
Troubleshooting Guide on Category-L Failures
(Subdivided Failures)
See the Error List
Example:
Explanation
of error
Cause: explain the principle of the specific error.
Inspection path: The basic order of troubleshooting. Related key
position
Tools required
for inspection
Tools that should be carried for such troubleshooting, and
replacing parts that may be necessary for such error.
Frequent
problematic
part
Any possibly broken part related to the error may be the parts that
need to be replaced.
Inspection
procedure
and key
points
All the troubleshooting procedures for the reference of
maintenance staff are prepared from simple to complex, from
surface to Indoor Unit, and from test to replacement. Although
these key points do not cover all the error, and difficult or special
problems are not included as well, but they can cover most of the
common error.
Special
attention
Here are some often-overlooked problems for the reference of the
maintenance personnel.
The problems in the market are always more than we think, so it is necessary for the
maintenance personnel to understand the principle of air conditioning operation, and
to make a flexible judgment of the fault in combination with the actual conditions. We
we qlcome the maintenance personnel to constantly put forward new problems in the
actual work, record the solutions and enrich our troubleshooting guide list.