DELUXE
Inverter
Service
M
anual
16
Main external control panel and module panel
communication error
F8
17
Outdoor EE error
F9
18
Recirculated sensor error
（
four-way valve
switch error
）
FA
19
Cabinet internal fan error (see E4 for
troubleshooting)
Fb
20
Function protection prompt of frequency
conversion external machine
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 internal, 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.
Some of the most prevalent problems are compiled here, nevertheless if a new problem arises
, it is
necessary for the maintenance personnel to understand the principle of
the
air conditioning
operation, and to make a flexible judgment of the
situation
in combination with the actual
conditions
and follow common sense operational procedures
. We welcome the maintenance
personnel to
enrich our troubleshooting guide list by telling us about the new problems they
encountered in the workplace and the solution they applied.
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