Tadiran Telecom Swift Inverter 9U, Service Manual

Page: 38 / 115

37
9. Maintenance
9-1 Troubleshooting Guide
Many error codes many appears on this air conditionor, and this troubleshooting
guide is prepared for the maintenance personnel to detect the error position and the
parts to be replaced during the troubleshooting process. In this Guide, the
Troubleshooting Method is guided by the Error Name, and the Reference Code under
the General Index is the error code of the internal unit of the mainstream model
supplied by the Company.
Example:
“internal coil sensor error” is coded as E3 in the error code of the internal
unit, but appears as flash-out via the trouble light of the external machine. However,
their troubleshooting method is the same, and use the same table as well.
General index:
No. Error Name Reference Code
1
Internal temperature sensor error E1
2
External coil sensor error E2
3
Internal coil sensor error E3
4
Internal fan error of wall mounted air
conditioner
（
PG motor
）
E4
5
Internal fan error of wall mounted air
conditioner
（
DC motor
）
E4
6 Sliding door error of floor standing E4
7
Internal and external communication error
E5
（
5E
）
8 External DC fan error (3-core terminal motor) F0
9
Module protection error F1
10
PFC protection error F2
11
Compressor startup error F3
12
Exhaust sensor error F4
13
Pressing top head sensor error F5
14
External temperature sensor error F6
15
OVP or UVP error F7
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