English
8
Maintenance and repair
It is recommended that all repairs to our devices be carried out by R. STAHL. In
exceptional cases, repair may be performed by approved third-parties.
The devices are maintenance-free.
Troubleshooting chart:
Error detection
"PWR" LED not lit
Output signals faulty
Output signals for
2-wire circuits faulty
Line balancing does not
work
Green "PWR" LED blinks
Red "LF" LED is lit
Red "LF" LED blinks
If the procedure described above does not obtain the desired result, please contact your
local R.STAHL sales and service representative. In order to quickly process your request,
please provide us with the following information:
•
•
•
•
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Accessories and spare parts
Use only original accessories and spare parts from R. STAHL Schaltgeräte GmbH.
Malfunction cause(s)
Power supply failure or device
fuse is defective
Sensor is incorrectly connected
Incorrect DIP switch setting
DIP switch setting is not applied
by the device
Line balancing has not been
performed
Switching of the DIP switch has
not been performed within 10s
Line balancing has been
performed
Line error in the input
Out of measuring range
Type and serial number,
Purchase date(s),
Description of the error,
Application description (particularly the configuration of the
input/output circuitry)
Operating Instructions
Troubleshooting
Check power supply.
If device fuse is defective, send device in for repair.
Check connections (see 7.1)
Set DIP switch as per 7.2
In order to activate a new set-up of circuit type you have
to switch of the power supply for a short moment.
(Power on reset)!
Please perform the line balancing as described above.
Please repeat the line balancing.
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Check connections (see 7.1)
Configure an appropriate measuring range
Resistance Isolator Type 9180
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