Troubleshooting diagnosis chart – Braun NUVL603C User Manual

Page 19

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Page 17

FUNCTION

POSSIBLE CAUSE

REMEDY

10.00

BARRIER WILL

NOT OPERATE

UP OR DOWN

WITH HAND-

HELD PENDANT

OR OVERRIDE

SWITCHES

10.11 Poor plug connections

10.12 Faulty barrier actuator motor or
actuator out of adjustment

10.13 Bad power and ground

Check harness connectors A1 and A2, E1, N1,
N2, E1, F1 and F2.

Check power at motor. Adjust or replace actuator
if necessary.

See 1.00

11.00

BARRIER

OPERATES WITH

OVERRIDE

SWITCH BUT

WILL NOT GO

UP WITH HAND-
HELD PENDANT

11.11 Faulty Outer Barrier switch

11.12 Barrier occupied

Check diagnostic LCD for Outer Barrier Switch
status. Adjust or replace switch as necessary.

Remove weight from barrier. See Outer Barrier
Occupied Calibration on page 5.

12.00

BARRIER

OPERATES

WITH OVER-

RIDE SWITCH

BUT WILL NOT

GO DOWN WITH

HAND-HELD

PENDANT

12.11 Faulty Pressure Transducer

12.12 Stow switch out of adjust-

ment or defective

12.13 Full Out switch out of
adjustment or defective

Check Pressure Transducer. Adjust or replace
as necessary. See Ground Sense Calibration on
page 5.

Check diagnostic LCD for Stow switch status.
Adjust or replace as necessary.

Check diagnostic LCD for Full Out switch status.
Adjust or replace as needed.

Troubleshooting Diagnosis Chart

13.00

SWITCHES

DO NOT

CHANGE

STATE IN

DIAGNOSTIC

MODE

13.11 No power going to switches

13.12 Faulty wiring

13.13 Faulty connections

Check power on connector A1, pins 1 and 2.

Check continuity of wires from switches to connector
A2.

Check for proper connections on each switch and
on each connector on the harnesses. Replace con-
tact if necessary. See diagram on following page.

14.00

DOORS

DO NOT

OPEN

14.11 Faulty wiring

Check for proper wiring to door openers.

15.00

DOORS

DO NOT

CLOSE

15.11 Lift Out switch out of adjustment
or defective

Lift not stowed fully. Adjust lift out switch or
replace.

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