Wilo Wilo-Control EC-L - Faults, Causes and Remedies; Fault Indication

Faults, causes and remedies en
Installation and operating instructions Wilo-Control EC-L 93
Activating the interval display
Fig.73: Activating the maintenance interval
‡ Parameter input enabled: Menu 7.01 shows on.
1. Press the operating button for 3s.
⇒ Menu 1.00 appears.
2. Turn the operating button until menu 7 appears
3. Press operating button.
⇒ Menu 7.01 appears.
4. Turn the operating button until menu 7.07 appears.
5. Press the operating button.
6. Set the desired interval:
- 0 = interval display off.
- 0.25 = quarterly
- 0.5 = six-monthly
1 = annually
2 = every two years
7. Press the operating button.
⇒ Value is saved.
▶ Interval display is activated.
Reset the maintenance interval
Fig.74: Reset the maintenance interval
‡ The “SER” message flashes on the display.
‡ Parameter input enabled: Menu 7.01 shows on.
1. Press the operating button for 3s.
⇒ Menu 1.00 appears.
2. Turn the operating button until menu 7 appears
3. Press operating button.
⇒ Menu 7.01 appears.
4. Turn the operating button until menu 7.08 appears.
5. Press the operating button.
6. Change value to “on”.
7. Press the operating button.
⇒ Display reset.
▶ Current maintenance interval reset, new maintenance interval started.
11 Faults, causes and remedies
DANGER
Risk of death due to electrocution!
Improper conduct when carrying out electrical work can lead to death due to electric
shock! Electrical work must be carried out by a qualified electrician in accordance
with the locally applicable regulations.
11.1 Operator responsibilities
▪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!
11.2 Fault indication
Possible faults are shown by the fault LEDs and alphanumeric codes on the display. Get
the system checked according to the displayed fault and have defective components
replaced. Faults are displayed in various ways:
▪Fault in the control/on the switchgear: