innovair D1N13C23A20, Service Manual

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DELUXE Inverter
Service M anual
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.
7-3 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.
45