User Manual
PROTEC GmbH & Co. KG, In den Dorfwiesen 14, 71720 Oberstenfeld, Germany
7.3.4 Drive motor does not run
• Display “E1”: see “Error messages” see 5.4
• No continuity of cover switch when activated: Replace
• Check drive motor: If voltage can be detected on motor, then motor is defective
7.4 Baths
7.4.1 No circulation in bath
• Circulation pump works but no circulation in bath: Air lock in heating and circulation system.
Ventilate pump
• Particles in the pump chamber. The pump chamber can be easily opened by removing the
four clips. When closing again ensure that the rubber seal is positioned correctly and not
damaged
• Check connection of pump, circulation pump possibly defective.
7.4.2 Developer temperature to high
• Check attachment of temperature sensor. This should be firmly positioned on tube and
completely covered with foam rubber.
• Check sensor: Check voltage between pin 3 (green) and pin 2 (brown). At room temperature the
tension must reach approx. 0.3 V
• If the sensor has no fault then electronic is defective.
7.4.3 Developer temperature to low
• Check circulation pump. Air lock in the circulation pump: Ventilate pump (3.6.1 / 3). If no
circulation can be detected: Check wiring of circulation pump, pump possibly defective
• Bath is not heated: Check temperature safety switch on heat-exchanger. Check heating
element: impedance across the element should reach approx. 66 W
• Check temperature sensor (see 7.4.2)
•
If no error can be found then electronic is possibly defective.
7.4.4 Developer temperature too low, fixer temperature too high
• Air lock in the circulation pump: Ventilate circulation (see 3.6.1Fehler! Verweisquelle konnte
nicht gefunden werden. / 3)
7.4.5 Developer bath temperature too high or too low (display shows values of 21 °C or 40 °C)
•
Check temperature sensor. Sensor is either not connected or defective
7.4.6 Switch-over °C to °F
The developer temperature can be displayed in either °C or °F.
Switch-over of temperature unit:
1 Switch the unit off
2 Press and hold the buttons processing time (4) and developer temperature (5) while switching
the unit on
3 Select the desired unit of measure with the arrow keys (2 and 3). C for Celsius and F for
Fahrenheit
4
Switch the unit off to save the unit displayed
7.4.7 Calibration of bath temperature / actual bath temperature is different from displayed
value
Differences between displayed temperature and measured value in the developer bath can be
adjusted. An adjustment may be necessary after replacement of a bath temperature sensor. An
adjustment is recommended when the deviation exceeds ±0.5 °C and is mandatory if the deviation
exceeds ±1,5 °C.
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