Vanner IQ24-2600 Specifications download pdf (Page 34)

Preventive Maintenance

- 34 - IQ SERIES OWNERS MANUAL

FOR IQC MODELS - Check battery connections if utility power is OFF.

Check DC fuses if utility power is OFF.

Lamp flashes when utility power is present.

Symptom Inverter LED does not illuminate

Solution Reset On/Off switch on unit and remote

Disconnect remote switch and attempt starting with unit On/Off switch

Check DC fuse condition

Symptom ON lamp fully illuminates. AC load does not run.

Solution Check and reset AC circuit breakers.

Check and reset any GFCI breakers in AC circuit.

Verify AC load and wiring are in proper condition.

Symptom BATTERY LOW lamp illuminates when AC load is applied.

Solution Check battery connections.

Check battery condition.

Recharge battery if voltage is less than 10.5 VDC.

Check the charging system for proper operation (vehicle alternator, PV array, generator).

Symptom OVER TEMP lamp illuminates.

Solution Something has caused the unit to overheat. Check for obstruction of air flow to the cooling fan or

from ventilation holes. Verify AC load is within unit's rated capacity.

Symptom OVERLOAD lamp illuminates with AC load applied.

Solution Verify AC load is within unit's rated capacity.

Symptom DC fuse blows when connecting DC input cables.

Solution Check for reverse polarity: red cable to battery positive (+), black cable to battery negative (-) The

unit may be damaged and require repair service.

Symptom Excessive audible buzzing during inverter operation but inverter operates loads.

Solution Check mounting bracket bolt tightness

Remount inverter with rubber insulator washers

Symptom AC loads do not seem to be fully energized when operating from inverter power

Solution Check AC output voltage at convenience receptacle.

Check for overheated DC or AC wiring

Symptom Unit does not operate and a “burnt wire” smell emits from inverter

Solution Disconnect AC loads and battery immediately

Unit may require service

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Vanner IQ24-2600 Specifications Page 34