Rinnai Troubleshooting Guide

Troubleshooting Prior to Booking a Service Call

Gas Water Heaters

• Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. If a controller is fitted check that it is on also)
• Check gas supply (Turn gas stove top on then turn hot water tap on. If flame drops on stove this shows it is possibly a gas supply issue)
• Is there enough water flowing? (Try opening tap further or turn another tap on as well)
• Clean filter on HWS and clean water restrictors in shower head and taps (If water is isolated and safe to do so)
• Are there any error codes displayed on controllers? (Refer to installation manual for trouble shooting)

Gas Space Heaters

• Check power supply (Plug another appliance (ie hairdryer) into power point and test)
• Check gas supply (Try another gas appliance)
• Check controls (Child lock is on or thermostat settings to low or a error code displayed)
• Have filters been cleaned recently?

Electric Panel Heaters

• Check power supply (Plug another appliance (ie hairdryer) into power point and test)
• Is the thermostat turned up or the heater timer not set?

Gas Portable Heaters

• Have any chemicals been used recently (recently painted or cleaning products)
• Is the room ventilated (door or window open)
• Clean the Filters
• Check the bayonet fitting and the hose is not kinked blocking gas supply
• Are there any error codes displayed? (Refer to installation manual for trouble shooting)

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