find the cause of the alarm. See Chapter 10 Maintenance for replacement of
the control filter.
NOTE! Continuous operation with the yellow fault indicator light lit may result in
severely reduced performance and overheating of the side channel fan.
9.3.3
Resetting fault signals
If the red fault indicator light lights up, the cause of the fault is to be
investigated. See Chapter 12 Troubleshooting for instructions on how to
identify the cause of the problem and which actions to take.
To reset the control system, turn the standby and reset switch to position
Reset. Restart the unit by turning the standby and reset switch to position 1.
NOTE! If the cause of the fault is not eliminated, the unit will immediately go back to
fault signal mode and stop.
The yellow fault indicator light will be reset automatically once the control
filter is replaced and the cause of the pressure drop over the control filter is
removed.
10
Maintenance
WARNING!
Risk of personal injuries.
Use proper protective equipment when risking exposure to the dust.
WARNING!
Risk of electric shock.
Work with electric equipment is to be carried out by a qualified electrician.
WARNING!
Risk of electric shock.
Always disconnect the supply voltage with the maintenance switch before any
service, whether mechanical or electrical. Always lock the maintenance switch
in the off position.
WARNING!
Risk of personal injuries.
Ensure that there is no vacuum present in the system during service.
WARNING!
Risk of personal injuries.
Always disconnect the compressed air supply before any service.
WARNING!
Risk of explosion.
Personnel operating E-PAK 500 DX Hybrid is to pay special attention to avoiding
discharge of static electricity. The requirements for the safe use and handling
of combustible dust is described in the explosion protection document. All
personnel is to be informed.
WARNING!
Risk of explosion.
Stop operation and clean the entire filter thoroughly from dust before any
grinding, welding or other hot works are performed on the filter exterior or
inlet.
E-PAK 500 DX Hybrid
EN
37