IDEAL HP290 - Figure 66. XT1 Connector

Section 9 - Fault Finding
101
Installation and Maintenance
FAULT FINDING
Replace the Compressor.
Speak to your Electricity Provider.
NO
NO
Disconnect the wiring assembly from the Compressor. Measure the
resistances at the terminals. The resistance values must all be more

- U to V,
- U to W, and
- V to W.
Is the mains electrical supply voltage between 170 V AC
and 270 V AC? Refer to Figure 66.
Replace the Inverter.
Replace the Inverter PCB.
YES
YES
9.1.17 Inverter High Current
ᘐ WARNING: Set the power supply to OFF. Wait for a minimum of 10 minutes before you work on the appliance.
This is to let harmful electrical charges decrease to below a safe limit.
Is the wiring assembly correctly connected between the
Fan and the Inverter?
Disconnect Fan. Check that the terminal resistances of
the Fan are between:
- Red to White,
- Red to Black, and
- White to Black,

Replace the Inverter.
Make sure that the wiring assembly
between the Fan and the Inverter is not
damaged and is correctly connected.
Replace the Fan.
YES
YES
NO
NO
9.1.19 High Voltage or Low Voltage Error
9.1.18 Fan Error
ᘐ WARNING: Set the power supply to OFF. Wait for a minimum of 10 minutes before you work on the appliance.
This is to let harmful electrical charges decrease to below a safe limit.
BROWN
XT1
BLUE
Y/G
L N
POWER SUPPLY
Lowest permitted - 240 V AC
L N E
Figure 66. XT1 Connector