Rinnai E- Series Troubleshooting Manual page 23

WARNING: Turn off power and water supply to the boiler before removing or installing any parts. If checking
gas pressures you MUST be qualified gas technician to service the gas system on this appliance.
If error persist
after reset
Software error control unit, replace control unit. Remove
the E-Prom from the defective control unit and place it
onto the new control. The controller will automatically
load the program into the new control unit.
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