Error 647: Raise catch Timeout
The time from initiation of the Raise Catch mode until activation of the
P1 pressure switch has exceeded a predetermined time limit (5 sec. typ.).
Possible causes:
Pressure switch P1 defective or improperly adjusted.
Hyd. pump excess pressure is too low.
Hydraulics failure.
- Check that "P1" on Computer corresponds to P1 LED OFF in the Trailer
- Refer to the Manual for adjustment instructions.
- Check that the hydraulic valves, the motor and the motor relay are powered
and functioning properly (refer to the Manual).
- Increase the time limit to a maximum of 10 seconds.
Error 648: Auto Raise Plate Timeout
The hyd.motor has been running continuously for more than 20 seconds in the
(auto-) RAISE PLATE state, to keep the loading plate high.
Possible causes:
Pressure switch P1 defective or improperly adjusted.
Hyd. pump excess pressure is too low.
PH proximity switch defective or not activated when the plate is high.
Hydraulics failure.
- Check that "P1" on Computer corresponds to P1 LED OFF in the Trailer
(and "PH" to PH LED ON).
- Refer to the Manual for adjustment instructions.
- Check that PH activator gap(s) is less than 4 mm (5/32") when the plate is
in it”s locked position.
- Check that the hydraulic valves, the motor and the motor relay are powered
and functioning properly (refer to the Manual).
Error 650: PS2 was ACTIVATED
The P2 pressure switch was activated on completion of the Raise Plate mode.
Possible causes:
Pressure switch P2 defective.
P2 wires short-circuited.
P2 setting too low.
-Check that "P2" on Computer corresponds to P2 LED ON in the Trailer.
-Refer to the Manual for adjustment instructions.
Error 651: PS2 was NOT activated
The P2 pressure switch was not activated on completion of Raise Weight mode.
Possible causes:
Pressure switch P2 defective.
P2 wires disconnected.
P2 setting too high.
- Check that "P2" on Computer corresponds to P2 LED ON in the Trailer.
- Refer to the Manual for adjustment instructions.
Error 652: PH was ACTIVATED
The Plate High Proximity Switch Signal was ACTIVE.
Possible causes:
The plate IS high (of course).
PH proximity switch defective.
P1 pressure switch defective or too sensitive.
- Check that "PH" on Computer corresponds to PH LED ON in the Trailer.
- Check P1 adjustment.
Error 653: PH was NOT activated
The Plate High Proximity Switch was not activated on completion of the
Raise Plate mode.
Possible causes:
PH Proximity Switch defective.
PH signal is not active when plate is high.
- Check that "PH" on Computer corresponds to PH LED ON in the Trailer
- Check that activator gap(s) is less than 4 mm (5/32") when the plate is in
it”s locked position.
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