Tadiran Telecom Swift Inverter 9U, Service Manual

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59
9-2 Common Parameters
1
．
Display error code of indoor unit: Frequency conversion air conditioners only
involve E1, E2, E3 and E4
No.
Error
Code
Error Name Probable Trouble Location
1 E1
Internal room temperature
sensor error
Internal room temperature sensor, main
internal control panel
2 E2 External coil sensor error
External coil sensor error, main external
control panel
3 E3 Internal coil sensor error
Internal coil sensor error, main internal
control panel
4 E4 Indoor fan error
Mechanical jam of internal fan blade,
internal fan, main internal control panel
5 E5(5E)
Indoor and outdoor unit
communication error
Bridge cable, main internal control panel,
main external control panel, module panel
6 F0 Outdoor DC fan error
Mechanical jam of external fan, external
DC fan, main external control panel
7 F1 Module protection error
Power voltage, compressor cable, reactor,
module panel, main external control panel,
compressor
8 F2 PFC protection error
Power voltage, reactor, module panel, main
external control panel
9 F3
Compressor out-of-step
error
System pressure, compressor cable,
module panel, main external control panel,
compressor
10 F4 Exhaust air sensor error
Exhaust air sensor, main external control
panel
11 F5
Compressor cap sensor
error
System pressure, compressor cap sensor
(protection switch), main external control
panel
12 F6
External room temperature
sensor error
External room temperature sensor, main
external control panel
13 F7 OVP or UVP error
Power voltage, reactor, module panel, main
external control panel
14 F8
Main external control
panel and module panel
communication error
Connection wire of module and main
control data, module panel, main external
control panel
15 F9 Outdoor EE error Main external control panel
16 FA Recirculated sensor error
Recirculated sensor, four-way valve, main
external control panel