Maintenance; Troubleshooting Guide - Tadiran Telecom Swift Inverter 9U Service Manual

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.
1
Internal temperature sensor error
2
External coil sensor error
3
Internal coil sensor error
Internal fan error of wall mounted air
4
conditioner（PG motor）
Internal fan error of wall mounted air
5
conditioner（DC motor）
6 Sliding door error of floor standing
7
Internal and external communication error
8
External DC fan error (3-core terminal motor)
9
Module protection error
10 PFC protection error
11
Compressor startup error
12
Exhaust sensor error
13
Pressing top head sensor error
14
External temperature sensor error
15
OVP or UVP error
Main external control panel and module panel
16
communication error
17 Outdoor EE error
Recirculated sensor error（four-way valve switch
18
error）
Cabinet internal fan error (see E4 for
19
troubleshooting)
Function protection prompt of frequency
20
conversion external machine
Error Name
37
Reference Code
E1
E2
E3
E4
E4
E4
E5（5E）
F0
F1
F2
F3
F4
F5
F6
F7
F8
F9
FA
Fb
See the Error List