Water heater comes on and then give e 8 code air pressure switch.
Troubleshooting girard on demand water heater.
Contact your girard dealer or service center if you can t achieve the proper temperatures rises.
Drill a hole and then run 2 18 gauge wires from the rear of water heater to the hole maximum wire length is 16 or 5m.
Often this issue is caused by the gas supply so check to make sure your propane tank is full before you do anything else.
Check the lock nut at the bottom of the blower where the plastic tube attaches.
Increase the low to lower the temperature and decrease the flow to raise the temperature.
The mode switch should be set on high.
I believe my water pump is a 3 8 gpm unit.
Reset and check the microprocessor verify that it does not have the flame ensure that the switch is opening the blower is turning on once you detect the combustion air flow you need to open the gas valve and supply the first.
Confirm that the plastic tube is connected to the blower and pressure switch.
Water in the tank im able to add up to 30 cold water to the shower to help control the temp without having the unit cycle from hot to cold to hot.
Update on my girard water heater.
Confirm that nothing is blocking the exhaust vent.
More rv manufacturers use the girard tankless water heater than all the competitors combined.
Connect the 2 wires to the user control panel 2 wires and to the 2 wires on rear of water heater ucp wires are blue or blue green.
Based on there the circuit board will be able to complete the tasks.
Our on demand tankless rv water heater was developed with state of the art electonics and components.
Check and open gas and water valves fully.
With both restrictors in the oxegenics shower head removed and with 80 deg.
On the girard tankless water heater the user turns on only the hot water open to a normal flow and then gradually adjusts the flow to achieve the desire temperature usable hot water.
If your gas valve or water valves are not fully opened this could also cause the ignition to fail.