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Maintenance
Type 3281
9
MAINTENANCE
WARNING
Risk of injury if maintenance work is not carried out correctly.
▶
Maintenance may only be carried out by trained specialists using suitable tools.
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Secure the system against unintentional activation.
9.1
Maintenance work
The device operates maintenance-free under normal conditions.
9.2
Cleaning
Clean the Type 3281 with the usual cleaning agents. Do not use alkaline cleaners, as they have damaging
effects on the materials used.
9.3
Troubleshooting
Check in case of faults:
• the line connectors,
• whether the operating pressure is within the permissible range,
• the power supply and input signals.
Problem
Possible cause
Remedy
LED not lit
No electrical supply
Check electrical connections.
LED flashes
sporadically
white
The power supply periodically breaks
down; device software reboots each time
Use a power supply with adequate power.
Check cable for possible loose
connections
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