Controller Led Flashing Codes - Rinnai Enviroflo EHPA250VM Operation & Installation Manual

CONTROLLER LED FLASHING CODES

Ensure the controller unit is displaying the green LED once unit has been switched on. The continuous green LED
means that there is no fault.
Green LED Flashing Frequency / Second
Once
Twice
Three Times
If the controller is displaying the red LED, refer to the table below to find the fault:
Red LED Flashing Frequency / Second
Once
Twice
Three Times
Four Times
Five Times
Six Times
Seven Times
Eight Times
Nine Times
The dip switches can be used to go to the test mode for the functionality of various components. In test mode the
output relays L1. L2, L3, L4 will be controlled manually by dip switches irrespective of input reading.
DIP Switch Configuration
No 8 Off – Factory Set
No 7 Off – Default
No 7 On
No 7 + No 1 On
No 7 + No 2 On
No 7 + No 3 On
No 7 + No 4 On
Any changes to the normal operating settings may adversely affect the performance of the heat pump
Rinnai
Explanation
Refrigeration On (Compressor, Fan, Pump)
Heating Element On
Defrosting On (Solenoids)
Explanation
Tank Sensor- FAILURE
Ambient Sensor - FAILURE
Evaporator Sensor - FAILURE
Compressor Discharge Sensor- FAILURE
Compressor Discharge Sensor ≥ 110° C
Low Pressure Switch Open
High Pressure Switch Open
Under Voltage <190 V AC
Over Voltage > 265 V AC
Explanation
Normal Operation Mode
Normal Operation Mode
Test Mode
Compressor (L1) On
Fan/Pump (L2) On
Element (L3) On
Defrost Solenoids (L4) ON
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INSTALLATION
EHPA Heat Pump OIM