FAULTS are communicated through the LCD display.
The display will switch from the SETPOINT screen to the
FAULT screen and back again every 3 seconds. FAULTS
indicate an undesirable condition and will immediately
shut down the operation of the heater. If faults are
appearing on your heater call Eemax Technical Support
for assistance.
ERROR CODES:
E0: Excessive water flow detected
Corrective action: Using the OUTLET BALL VALVE, slowly reduce water flow until
the desired temperature is achieved. The temperature is proportional to the flow through the
heater; the lower the flow, the higher the temperature and vice versa.
Keep the INLET BALL VALVE fully “OPEN”. NEVER RESTRICT THE WATER
FLOW USING THE INLET VALVE.
E1: Inlet temperature too hot to generate heat
FAULT CODES:
F0: Outlet thermistor out of range
F1: No change in water temperature detected
F2: Dry fire detected - Optical Sensor Tripped
F3: Excessive dry fire occurrences detected
F4: Inlet thermistor out of range
The security of the heater settings is provided by
pressing and holding the LEFT and UP buttons for 3
seconds to lock the buttons. Once locked, the buttons
have no function. Press and hold the same LEFT and UP
buttons for 3 seconds to unlock the buttons
The security status can be checked at any time by
pressing any one button. If the system is locked, the
screen will display “BUTTONS LOCKED”.
11
FAULT
CODE: F0
BUTTONS
LOCKED
SETPOINT
TEMP120F
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