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8.0. TROUBLESHOOTING
• In the event of abnormal operation (e.g.. burning smell), shut o the main power supply immediately
and then contact the authorised service agent.
• Do not attempt to repair the air conditioning yourself as this may cause electric shock, injury or
damage to the unit.
• Prior to contacting the service provider, please conduct the checks listed in Table 11.
Table 11: Initial Troubleshooting Checks
Check Items Potential Result
Has the unit been secured firmly? The unit may drop, shake or emit noise.
Has the unit been gas leakage tested? It may cause insuicient cooling/heating
capacity.
Does the unit have adequate thermal
insulation?
It may cause condensation and dripping.
Does the unit drain well? It may cause condensation and dripping.
Is the voltage in accordance with the rated
voltage specified on the nameplate ?
It may cause malfunction or damage the part.
Is the electric wiring and piping connection
installed correctly and securely?
It may cause malfunction or damage the part.
Has the unit been earthed securely? It may cause electrical leakage.
Is the power cord specified? It may cause malfunction or damage the part.
Has the inlet and outlet been blocked? It may cause insuicient cooling/heating
capacity.
NOTICE:
• If the air conditioner is still not operating correctly, contact an authorised service agent.
• The following conditions listed in Table 12 are not classified as errors.
13 23 50 | lennoxaus.com.au
LENNOX MULTI SPLIT INVERTER
Outdoor Unit
WARNING
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