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Truma Aqua Go Troubleshooting
No hot water at
the faucet
Gas supply is turned off or inter-
rupted.
Check and/or turn on gas supply.
Gas tank is empty. Refill/replace the gas tank.
The appliance is switched off.
Switch on the appliance according to instructions (refer to
“Operating procedures” on
page 10 of Truma AquaGo
operation manual).
Fresh water supply is turned off. Open the fresh water supply.
Power supply to the appliance is
switched off.
Switch on power supply to the appliance.
Defect in the appliance.
LED 2 flashes red (refer to “APPENDIX A – Error Codes” on
page 37 of Truma AquaGo operation manual) and contact a
certified service technician if necessary.
Boiling noises
Too much lime scale in the AquaGo
instant water heater.
The appliance must be decalcified (refer to “Decalcification” on
page 17 of Truma AquaGo operation manual).
Hot water
temperature
too low.
Gas flow to the appliance is too low
(gas inlet pressure < 10.5 in. wc).
Consult vehicle documentation to determine if the gas supply
is capable of providing the necessary volume of gas for the
appliance.
Contact a service technician to verify that the gas installation is
suitable.
Volume flow of hot water is too high
and/or the temperature of cold wa-
ter reaching the appliance is too low.
Turn down hot water at the faucet or in the shower in order to
reduce flow rate.
Potentially retrofit a flow rate throttle in the water system. This
must be performed by a certified service technician.
Too much lime scale in the appliance.
The appliance must be decalcified (refer to “Decalcification” on
page 17 of Truma AquaGo operation manual).
Water escaping
at pressure
relief valve.
Water pressure in water system too
high.
Adjust the water pump pressure to a maximum of 65 psi (4.5
bar).
If the water system is connected to a central water supply
higher than 65 psi (4.5 bar) (rural or urban connection), a
pressure reducer must be used.
Install a pressure reducer (e.g. Truma pressure reducer) at the
fresh water supply.
Water cannot expand in the water
system.
Contact the vehicle manufacturer about retrofitting a pressure
compensation element.
Lime or dirt under the pressure relief
valve seat.
Allow the appliance to cool and then slowly raise the test lever
(Fig. 3 – 4a of Truma AquaGo operation manual) to flush the
water system and attempt to force dirt or foreign matter out of
the pressure relief valve seat.
Replace pressure relief valve. This must be performed by a Truma
certified service technician.
at water inlet
filter
Lime or dirt under the O-ring seats.
Clean the O-rings and their corresponding sealing surfaces
with clean water.
Table 10
If none of the measures in the troubleshooting chart proves successful, please contact your dealer,the Truma Service Center at
1-855-558-7862 or one of our authorized service partners.
For more information, refer to Truma AquaGo manual provided.
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