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Maintenance, troubleshooting
Type 3280, 3285
9 MAINTENANCE, TROUBLESHOOTING
DANGER!
Risk of injury from high pressure in the system or device.
▶ Before working on the system or device, cut off the pressure and deaerate/drain lines.
Risk of injury due to electrical shock.
▶ Before working on the system or device, switch off and isolate the power supply to prevent reactivation of the
device.
▶ Observe applicable accident prevention and safety regulations for electrical equipment.
WARNING!
Risk of injury from improper maintenance work.
▶ Maintenance may be carried out only by trained technicians and with the appropriate tools!
▶ Secure system against unintentional activation.
▶ Following maintenance, ensure a controlled restart.
9.1 Maintenance
The motor valve Type 3280 and 3285 is maintenance-free under normal conditions.
9.2 Cleaning
Use the normal cleaning agents to clean the Type 3280 and 3285. Use no alkaline cleansing agents, as these
have a damaging effect on the materials used.
9.3 Troubleshooting
In malfunctions occur, check:
• the port connectors,
• whether the operating pressure is within the permitted range,
• the power supply and the standard signals.
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