INSTALLATION | Rectifying faults
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www.ochsner.com | BIA-EUROPA Mini IWP-EN12
12.1 Fault messages on the touchscreen
Display
Error
Description
Level
E1L
Error F1L
The value of temperature sensor F1 is below the valid range
1
E1H
Error F1H
The value of temperature sensor F1 is above the valid range
1
E2L
Error F2L
The value of temperature sensor F2 is below the valid range
1
E2H
Error F2H
The value of temperature sensor F2 is above the valid range
1
E3L
Error F3L
The value of temperature sensor F3 is below the valid range
1
E3H
Error F3H
The value of temperature sensor F3 is above the valid range
1
E4L
Error F4L
The value of temperature sensor F4 is below the valid range
1
E4H
Error F4H
The value of temperature sensor F4 is above the valid range
1
Er9
High pressure shutdown via E1
Digital input, high pressure protection
1
Er10
Low pressure shutdown via E3
Digital input, low pressure protection
1
Er11
Error Low
T1 < 7°C (tank frost protection)
1
Er12
Error High
T1 > 99°C
1
Er13
Error Ext
From external digital input
1
Er16
Anti-legionella mode unsuc-
cessful
Anti-legionella temperature not reached within C52 and possibly C53
4
ErAn
Corrosion protection
Triggered by monitoring the protective anodes
4
Er36
High pressure shutdown via E1
after 5 seconds
Signal E1 is present for > 5 s
2
Er47
Defrost fault
No successful defrost after D13 tests
2
Er57
Evaporator frost protection via
F3
Evaporator monitoring
1
Er18
Fan runs too slowly
Measured fan speed < minimum speed for more than 10 s
4
Er19
Fan is jammed
No fan speed measured for more than 10 s despite activation
4
EP0
Flash error
Flash memory has not passed verification
1
EP1
EEPROM error
EEPROM memory has not passed verification/reset
1
F90
No connection between display and controller PCB
1
