AES Remora Mini, Manual

Page: 19 / 31

- 18 -
Er16 Coil temp sensor failure
1) Sensor open circuit
2) Sensor short circuit
3) Main PCB damaged
1) Check the sensor
connection
2) Replace the sensor
3) Replace the main PCB
Er18
Compressor exhaust gas temp.
sensor failure
1) Sensor open circuit
2) Sensor short circuit
3) Main PCB damaged
1) Check the sensor
connection
2) Replace the sensor
3) Replace the main PCB
Er21 Ambient temp sensor failure
1) Sensor open circuit
2) Sensor short circuit
3) Main PCB damaged
1) Check the sensor
connection
2) Replace the sensor
3) Replace the main PCB
Er23
Overlow outlet water temp
protection under cooling mode
1) Inadequate water flow rate
2) Overlow inlet water temp
3) Main PCB damaged
1) Check the water filter and
water circuit (no block)
2) Adjust the setting temp to
normal working range
3) Replace the main PCB
Er27 Outlet water temp sensor failure
1) Sensor open circuit
2) Sensor short circuit
3) Main PCB damaged
1) Check the sensor
connection
2) Replace the sensor
3) Replace the main PCB
Er29
Compressor suction gas temp
sensor failure
1) Sensor open circuit
2) Sensor short circuit
3) Main PCB damaged
1) Check the sensor
connection
2) Replace the sensor
3) Replace the main PCB
Er35
Compressor over-high current
protection
1) Inadequate water flow rate
under heat mode
2) If ambient temp is above
31
℃
under heat mode
3) If fan motor broken under
cool mode
1) Check pump,filter and
water circuit (no block)
2) Check ambient/inlet/outlet
water temps
3) Check compressor exhaust
and suction gas temps
4) Check fan
Er44 Over-low ambient temp protection
This function occurs when
ambient temp is too low. Check if ambient temp is below
-10
℃
.
Er45
Over-high outlet water temp
protection under heat mode
1) Inadequate water flow rate
2) Set outlet water temp is too
high
3) Outlet water temp sensor or
main PCB damaged
1) Check pump,filter and
water circuit (no block)
2) Adjust set outet water
temp to normal working
range
3) Replace outlet water temp
sensor or main PCB
--
Automated Environmental Systems Ltd., Unit 1, 1 Wimbledon Avenue, Brandon, Suffolk IP27 0NZ
01842 819130 | sales@automatedenvironmentalsystems.co.uk