Wilo Control EC-WP Series Installation And Operating Instructions Manual page 58

en
10.1 Maintenance intervals
10.2 Maintenance tasks
11 Faults, causes and remedies
11.1 Operator responsibilities
11.2 Fault indication
11.3 Fault acknowledgement
58
Regular
• Clean switchgear.
Annually
• Check electro-mechanical components for wear.
After 10 years
• General overhaul
Cleaning switchgear
✓ Switch off switchgear.
1. Clean switchgear with a damp cotton cloth.
Do not use any aggressive or scouring cleaners or fluids!
Check electro-mechanical components for wear
• Have electro-mechanical components checked for wear by an electrician.
• If wear is ascertained, have the affected components replaced by an electrician or by the
Wilo Customer Service.
General overhaul
During a general overhaul, all of the components, wiring and the housing are checked for
wear. Defective or worn components are replaced.
DANGER
Danger of death due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Before all electrical work, disconnect the product from the mains and
secure it against being switched on again without authorisation.
• Electrical work must be carried out by a qualified electrician!
• Observe local regulations!
• Observe locally applicable accident prevention and safety regulations of trade associ-
ations.
• Make sure that the personnel has had the corresponding training for the specified work.
• Train the personnel on how the system operates.
• When working in enclosed spaces, a second person must be present for safety reasons.
• Ensure enclosed spaces have sufficient ventilation.
• Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
Possible faults are shown by the fault LEDs and alphanumeric codes on the display.
• Have the system checked according to the displayed fault.
• Have the defective components replaced.
Faults are displayed in various ways:
• Fault in the control/on the switchgear:
–
The red fault signal LED lights up.
The red fault signal LED flashes: Error message only occurs after a set time (e.g. dry-
running protection with deactivation delay).
–
Display of the error code alternates with the main screen. The error code is stored in
the fault memory.
–
The collective fault signal is activated.
• Pump fault
Status icon of the respective pump flashes on the display.
Switch off the alarm display by pressing the operating button. Acknowledge the fault via
the main menu or Easy Actions menu.
Installation and operating instructions • Wilo-Control EC-WP • Ed.01/2024-08