Status And Error Messages - Fryka TS 50-100 Betriebsanleitung

Troubleshooting
8.3

Status and error messages

Error display Error text
Display of the highest interior
temperature achieved. Touchscreen is
dark.
"power failure" blinks + alarm tone
sounds; touchscreen in normal state
"DOR" in the red 7-segment display
"DOR" in the red 7-segment display
Er11 sensor F1 failure
Er13 to Er20 sensor F3 failure (Er13) to sensor F10
failure (Er20)
Er21 temperature deviation
Er22 temperature alarm
Er23 cooling circuit 1 failure
Er24 cooling circuit 1 overheated
Er25 cooling circuit 2 overheated
Er26 room temperature too high
Er29 Accumulator failure
Er31 internal communication
F90 Network error
68 // 74
Cause
Unit without power supply, power outage
The freezer was temporarily without power supply.
Door open too long
Door open too long; alarm contact switches on
The controller sensor F1 has a sensor break or short circuit.
The sensor has a sensor break or short circuit.
The interior temperature deviates more than 5 K from the setpoint.
The interior temperature lies outside the working range of the freezer.
The 1st level of the refrigeration cycle does not generate sufficient
refrigerating capacity.
The heat at the 1st level of the refrigeration unit can no longer be
dissipated.
The heat at the 2nd level of the refrigeration unit can no longer be
dissipated.
The ambient temperature is above 30° C.
The alarm battery can no longer be recharged.
Error in the internal communication between control and touchscreen.
The connection between touchscreen and controller board has been
interrupted.
Remedy
Check whether the mains power cord of the unit is inserted. Correct the problem of
the power outage.
Check the highest temperature achieved in the interior using the history.
Close the door
Close the door
The sensor must be replaced.
The sensor must be replaced.
Please contact the manufacturer.
The refrigeration unit might be defect; please contact the manufacturer.
heat exchanger Maintenance
Clean the fin coil (Chapter "
occurs again, send the unit to the manufacturer for repair.
- Clean the fin coil heat exchanger (Chapter " Maintenance
- Check the ventilator.
- Ambient temperature too high (>30° C)?
- Is optimal ventilation of the freezer ensured?
Cf. Er24
Ensure that there is a low ambient temperature (<30° C); or the freezer may be
damaged.
Replace the batteries (Chapter " Troubleshooting " // see page 67).
Check the connection line between controller board and touchscreen. Switch the unit
off and on again.
Switch the unit off and disconnect it from the main power. Disconnect the alarm
battery. Put the unit back into operation in the opposite sequence.
Check the connection lines. The BUS address in the controller board might have
become misadjusted; please reset it.
" // see page 66). If the error
" // see page 66).