Order number: 900323.001 V1.74 Page 17
© Störk-Tronic 2021 • www.stoerk-tronic.com • Subject to modifications.
Status messages
STATUS DISPLAY AND ERROR MESSAGES
Message Cause Remedy
Hi
Over-temperature,
temperature above alarm limit of parameter A1/A31
Lo
Under-temperature,
temperature below alarm limit of parameter A2/A33
E1L
Error on sensor F1, short-circuit check sensor F1
E1H
Error on sensor F1, wire broken check sensor F1
E2L
Error on sensor F2, short-circuit check sensor F2
E2H
Error on sensor F2, wire broken check sensor F2
E3L
Error on sensor F3, short-circuit check sensor F3
E3H
Error on sensor F3, wire broken check sensor F3
E4L
Error on sensor F4, short-circuit check sensor F4
E4H
Error on sensor F4, wire broken check sensor F4
E5
Door open for too long close door
E6
High-pressure fault Check: Condenser fan and check for dirt accumulation
E7
Low-pressure fault Plant leaking, to little coolant
EP0
Internal error in control unit Repair control unit
EP1
Error in parameter memory Check all parameters
EP2
Error in data memory Repair control unit
rtc
Error of internal clock Set clock again. If error occurs again, the controller must
be repaired
The EP0 and EP1 errors disable the controller. The controller is not enabled until the error has been eliminated.
The error EP0 (and EP2) can only be removed by repair.
The errors are displayed alternately with the currently measured temperature.
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