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Water Heater Trouble Shooting
Gas Operation
Water Supply
Symptom
Cause
Remedy
When switching on,
the heater does
not operate.
No 12 V DC supply voltage.
Check the power supply (operation voltage min. 10.5 V). Check
the Truma UltraRapid fuse (refer to maintenance “Fuses”).
When switching on,
the heater does not
operate and the red
lamp lights up after
approx. 30 secs.
– Cowl cover fitted.
– Air in the gas supply.
– No gas supply.
– Incorrect gas pressure.
Remove cowl cover and / or clear any obstruction.
Check gas valves and gas cylinder.
To unlock (and purge air), switch off the appliance, wait 5
minutes, and switch on again.
Heater operates
for a prolonged
time and then the
red lamp lights up.
Excess temperature
thermostat has responded.
Check water level, refill if required (close drain valve).
To unlock, switch off the appliance, wait 5 minutes, and switch
on again.
Symptom
Cause
Remedy
Water drips from
the P&T safety
valve.
– Water pressure to high.
– Lime or dirt under the P&T
safety valve seat.
Check water pressure (max. 400 kPa), use a pressure reducer
when connected to central water supply.
Allow the appliance to cool and then slowly raise the test lever
(Fig. 2a – 4a) to flush the water system and attempt to force dirt
or foreign matter out of the P&T safety valve seat.
Replace P&T safety valve. This must be performed only by a
certified service technician.
When opening the
cold water tap, hot
water comes out.
– Hot water flows back through
the cold water supply.
- Fit a non-return valve in the cold water supply (refer to
installation instructions “Water connection”).
- Non return valve faulty
Summary of Contents for XT14E 2021
Page 37: ...www marketdirect com au Ph 1300 494 494 33 ...
Page 40: ...www marketdirect com au Ph 1300 494 494 36 12 Volt Main Circuit Diagram ...
Page 41: ...www marketdirect com au Ph 1300 494 494 37 12 Volt Switch Circuit ...
Page 51: ...www marketdirect com au Ph 1300 494 494 47 Schematic ...
Page 59: ...www marketdirect com au Ph 1300 494 494 55 Trouble Shooting Electrical ...
Page 69: ...www marketdirect com au Ph 1300 494 494 65 Trip Name Date Km Start Km Finish Cumulative Km ...
Page 71: ...www marketdirect com au Ph 1300 494 494 67 Hub Assembly ...
Page 72: ...www marketdirect com au Ph 1300 494 494 68 Trailing Arm Bushes ...
