13
12
Trouble-shooter’s Guide to Detect and
Eliminate Faults
The following table has been developed to help you detect and eliminate common faults. If
you come across a fault that is not listed here, please contact your supplier.
Mode LED / Lock LED
glows in the locked
state
- Fault in the handset
- Contact your supplier/
dealer
No adjustment can be
made
- Use socket wrench to
release the handset
- Handset is locked
- Control unit / drive defective
-
If necessary, check the locking
device
-
Check voltage supply
- Check connection leads
- Battery discharged or not
connected
The Function LED
doesn’t glow when a
key is pressed (control
unit / drive with first-
error security only)
- Control unit / drive or handset
defective
- Contact your supplier/
dealer
Problem
Possible Cause
Remedy
The Function LED
glows all the time
(control unit / drive
with first-error security
only)
- Control unit / drive defective
- Contact your supplier/
dealer
Mode LED / Lock LED
doesn’t glow in the
released state
- Fault in the handset
- Fault in the control unit
- Contact your supplier/
dealer
Power-ON LED does
not glow.
(Handset is
locked, exception
battery-powered
operation)
- Fault in the handset
- Contact your supplier/
dealer
Power-ON LED glows
brightly
.
(Handset is
locked)
- Fault in the handset
- Contact your supplier/
Dealer
Function of the display
Function LED
- LED
glows green
when a key is pressed,
visual display of first-error security.
Power-ON LED
-
LED
glows constantly
when mains / battery voltage available
-
Battery-powered operation
(mains voltage not available)
LED
glows only
when key is pressed
-
with battery charging circuit
LED
flashes yellow
when battery is charging.
LED
glows constantly
when battery is fully charged or is not
connected during mains operation.
-
without battery charging circuit
LED
glows constantly
when connected to the mains.
Status LED (SMP)
-
LED's
glow yellow,
the corresponding adjustment keys are
released.
- LED's
do not glow,
the corresponding keys are locked.
Maintenance and Repairs
At regular intervals carry out the inspections. The recommended inspection period is:
6
months
In addition to the above, the following checks should be carried out at shorter intervals:
Ÿ
Regular visual checks for damage of all kinds
Check the housing for cracks and fractures and the connection lead for signs of
pinching and shearing-off. Also check the strain relief with kink protection, in
particular after each case of mechanical loading.
Ÿ
Regular checks of
the leakage currents (by a specialist).
Ÿ
Regular functional checks of
the handset.
04/2020
ID 56171 3.0
04/2020
ID 56171 3.0
®
IPROXX SM/SM+/SMP
