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ALDE HEATING TROUBLESHOOTING

Troubleshooting                                     No central heating                                   FITTED EQUIPMENT

Any error messages will be displayed on the         • Bleed the system of air.
Standby Screen. Error messages can be
cleared by switching off 12 V supply to the         • Check the fluid level in the expansion tank.
boiler for 10 secs.
                                                    • C heck that the circulation pump is
The system is completely dead,                        responding.
the control panel is blank
                                                    • Check that hot water boost is not activated
• C heck the 20 mm T3.15 Amp glass fuse in           on the Alde control panel.
  the boiler. This is located under the lid of the
  black plastic service hatch, in a green plastic   • If electric heating is not being used, set it to
  fuse holder.                                        “Off” on the Alde control panel.

• C heck the 12 V supply to the boiler, it should  • Use gas and electric heating for best
  be above 12 V.                                      performance.

• C heck the 12 V cable is plugged into the        • Check that vents in the furniture are not
  boiler. Check the cable is plugged into the         obstructed.
  Alde control panel.
                                                    • C heck the condition of the heat transfer fluid.
The boiler will not ignite on gas, but no
error message                                       • Most vehicles will reach a comfortable
                                                      temperature within 40 mins, in non-extreme
• T he system may not need to use gas heating        conditions.
  if also using electric heating.
                                                    Circulation pump active even though
• The fluids in the boiler may already be at       system is off
  operating temperature.                            • 12 V supply to the boiler dropped to 7 V

The boiler will not heat on 230 V electric            momentarily. Check 12 V supply for stability.

• Check the circuit breaker and any 230 V          “Panel failure 1” & “Panel failure 2”
  fuses.                                            • Moisture is trapped in the control panel.

• Check that any 230 V isolator switches are       • Remove the Alde control panel from
  on (they will often have an LED indicator and       the vehicle and air in a warm, dry place
  230V fuse).                                         overnight.

• Check the 230 V supply to the vehicle.            “Gas failure”
                                                    • Out of gas or gas is not igniting.
• The fluids in the boiler may already be at
  operating temperature.                            • Check the gas cylinder is full. Try a different
                                                      gas cylinder, ensuring it is propane gas.
No hot water
                                                    • Check the gas regulator and any isolation
• Check that Hot Water Ignore is not activated       valves are open and not frozen.
  on the Alde control panel.
                                                    “Overheat red fail” or “Overheat blue fail”
• Check that Continuous pumping is not             • Bleed the system of air.
  activated on the Alde control panel.
                                                    • Check the fluid level in the expansion tank. It
• Check for other conflicting settings on the        should be 1 cm above Min mark when cool.
  Alde control panel.
                                                    • C heck the correct circulation pump is
• Check the fresh water supply and water             installed, selected and responding.
  pump.
                                                    • 12 V supply to the boiler dropped to 7 V
                                                      momentarily. Check 12 V supply for stability.

                                                    • Wait 15 mins for the fluid to cool down.

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