22
Troubleshooting
Problem Potential cause Resolution
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 proce-
dures” on page10).
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 page37) 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 page17).
Hot water tem-
perature 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 ca-
pable 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 per-
formed by a certified service technician.
Too much lime scale in the appli-
ance.
The appliance must be decalcified (refer
to “Decalcification” on page17).