Tadiran Telecom Swift Inverter 9U, Service Manual

Page: 62 / 115

61
15
● ★ ○
Internal coil
sensor error
Internal coil sensor, main internal control
panel.
16
○
★
●
Indoor fan error
Mechanical jam of fan, internal fan, main
internal control panel.
17
○
★
○
Refer to tooling
display for other
errors
Entire set of external controller.
18
● ●
★
Compressor cap
sensor error
System pressure, compressor cap sensor
(protection switch), main external control
panel.
19
● ○
★
Recirculated
sensor error
Recirculated sensor, four-way valve switch
error, main external control panel.
20
○ ● ★
※
Compressor
overpower
protection
Power voltage, module panel, main
external control panel.
21
○ ○ ★
※
Over current
protection
Power voltage, system pressure, module
panel, main external control panel.
22
● ● ○
Exhaust sensor
error
System pressure, exhaust sensor, main
external control panel.
23
● ○ ●
※
Cooling
overload
protection
Condenser, external fan, capillary, external
coil sensor, main external control panel.
24
○ ● ●
※
Indoor high
temperature
heating protection
Evaporator, internal fan, thin unit
connection pipe, internal coil sensor, main
internal control panel.
25
● ○ ○
※
Indoor
cooling freezing
protection
Evaporator, internal fan, capillary, internal
coil sensor, main internal control panel.
26
○ ● ○
Compressor shell
temperature
protection
Same as "18 Compressor cap sensor error".
27
○ ○ ●
※
OVP or UPV
error
Power voltage, reactor, module panel, main
external control panel.
9-3 Troubleshooting for Normal Malfunction

The Foremost Inspecting Items
①
The input voltage must be 10% tolerance of the rated Voltage. If it is not
the case, the air-conditioner will probably not work normally.
②
Check the connecting cord between indoor unit and outdoor unit to see if it is
properly connected. The connecting must be done according to the wiring diagram,