Johnson AEROTERMIA AURUM R290 Serie Mode D'emploi page 120

E24 Board Change Out Temperature Fault
E25 Water Level Switch Malfunction
E26 Anti-Freeze Sensor Malfunction
E27 Water Outlet Sensor Failure
E28 Reservation
E29 Return Air Sensor One Fault
E30 Return Air Sensor Two Fault
E31 Water Pressure Switch Failure
Excessive Water Temperature
E32
Protection
E33 High Pressure One Sensor Fault
E34 Low Pressure One Sensor Fault
E35 Reservation
E36 Reservation
The Excessive Temperature Difference
E37 Between Inlet And Outlet Water
Protection
E38 DC Fan One Failure
E39 DC Fan Two Failure
E40 DC Fan Three Failure
E41 DC Fan Four Failure
E42 Cooling Coil Sensor One Fault
E43 Cooling Coil Sensor Two Fault
E44 Low Ambient Temperature Protection
E45 High Pressure Two Sensor Failure
E46 Low Pressure Two Sensor Failure
E47 Economizer Inlet Sensor One Failure
E48 Economizer Inlet Sensor Two Failure
E49 Economizer Outlet Sensor One Failure
E50 Economizer Outlet Sensor Two Failure
High Pressure One Overvoltage
E51
Protection
Low-Pressure One Undervoltage
E52
Protection
High-Pressure Two Overvoltage
E53
Protection
High Pressure Two Undervoltage
E54
Protection
Expansion Board Communication
E55
Exception
E80 Power Supply Error
E88 Inverter Module 1 Protection
E89 Inverter Module 2 Protection
Damaged motherboard or sensor
Damage to the mainboard or water
level sensor
Damaged motherboard or sensor
Damaged motherboard or sensor
Reservation
Damage to the mainboard or water
level sensor
Damage to the mainboard or water
level sensor
Water pressure switch failure
Insufficient water flow or a damaged
sensor
Damaged motherboard or sensor
Damaged motherboard or sensor
Reservation
Reservation
Insufficient water flow
Fan drive board or motor damage
Fan drive board or motor damage
Fan drive board or motor damage
Fan drive board or motor damage
Damaged motherboard or sensor
Damaged motherboard or sensor
It is a standard protection
Damaged motherboard or sensor
Damaged motherboard or sensor
Damaged motherboard or sensor
Damaged motherboard or sensor
Damaged motherboard or sensor
Damaged motherboard or sensor
Same as E05
Same as E06
Same as E05
Same as E06
Poor or broken signal cable contact
Single-phase power unit detects a
three-phase electrical signal.
Compressor or compressor driver
board damaged
Compressor or compressor driver
board damaged
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