36
If the above voltages are correct:
This may indicate a mechanical problem with the valve or its associated components. Refer the
problem to a qualified Liquid Controls Service Center.
If the above voltages are
NOT
correct:
Replace the following components with known-working units until the problem is resolved:
CPU Board* (part # 81204)
Signal Harness (part # 81340)
*Contact your local Liquid Controls Service Center or contact the Liquid Controls Customer Service
Department for assistance.
PROBLEM:
Valve will not open (Dual Stage).
PROBABLE CAUSE:
Solenoids Inactive / Inoperative.
SOLUTION:
1) Remove the (12) 7/16” bolts securing the REC cover. Lift the cover and remove the coiled
phone cable. Set the cover to the side, taking care not to damage the phone-type cable
connector.
2) Using a reliable voltmeter, measure the following DC voltages on the REC board ( part #
81268)
Terminal # Voltage
J4 # 20 1.0VDC ± .5VDC
J4 # 21 12.0VDC ± 1.5VDC
J4 # 22 1.0VDC ± .5VDC
J4 # 23 12.0VDC ± 1.5VDC
If the above voltages are correct:
This may indicate a mechanical problem with the valve or its associated components. Refer the
problem to a qualified Liquid Controls Service Center.
If the above voltages are not correct:
Replace the following components with known-working units until the problem is resolved:
CPU Board* (part # 81204)
Signal Harness (part # 81340)
*Contact your local Liquid Controls Service Center or contact the Liquid Controls Service center for
assistance.
TROUBLESHOOTING
Содержание LectroCount3
Страница 38: ...38 P N 70946 P N 70945 SINGLE METER TRUCK SYSTEM WIRING DIAGRAM NEGATIVE GROUND...
Страница 39: ...39 METER 1 REMOTE S C CONTROL BOX WIRING...
Страница 40: ...40 81242 SIGNAL CABLE DUAL METER TRUCK SYSTEM WIRING DIAGRAM NEGATIVE GROUND...
Страница 42: ...42 METER 1 REMOTE S C CONTROL BOX WIRING...
Страница 43: ...43 MOUNTING ARRANGEMENT FOR SYSTEMS WITH MOUNTING BRACKETS SINGLE METER SYSTEM DUAL METER SYSTEM...