Alarm Codes; Maintenance - Wilo Isar BOOST5 Notice De Montage Et De Mise En Service

8.2

Alarm codes

9

Maintenance

Installation and operating instructions Wilo-Isar BOOST5
Maintenance
(5 minutes) or the end of the priming stage. The LEDs will stop flashing. If the pump
does not prime itself, repeat the operation.
Flashing green LED + flashing red LED
Alarm 1
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
Example
Continuous green LED + flashing red LED
Alarm 1
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
Example
Inspection and cleaning of non-return valve (Fig. 8)
ƒ
After lowering the system pressure, unscrew and remove the filler screw.
ƒ
Remove the non-return valve unit by unscrewing the fastening screw.
ƒ
Inspect and clean it.
Low water. Starts after 7 seconds of no
water at the suction side. Check for water
at the suction side and fill the pump. DG
PED attempts automatic restart after
1 min, 15 min, 30 min, 1 h, etc.
The pump does not reach the set pres-
sure. Contact customer service.
The tank's preload pressure is too low; in-
flate the tank to 50 % of working pres-
sure (for instance, if working pressure is
3 bar, inflate the tank to 1.5 bar).
Discharge pressure below 0.2 bar (broken
pipe). Reset possible in manual mode only.
Check why the pressure was reset to zero.
Supply voltage too low. Ensure 230 V
±10 % of power supply.
OFF signal from exterior.
Pump in alarm state due to low water
LED 1 flashing + red LED flashing = low
water
Short-circuit. Turn off the device and
contact customer service. Reset possible
in manual mode only.
Excess current. The current absorbed ex-
ceeds the authorised tolerance. Reset
possible in manual mode only. Contact
customer service if the problem persists.
Excessive module temperature. Check the
temperature of the liquid being pumped.
If the liquid's temperature is above 40 °C,
contact customer service. Automatic re-
set if the temperature falls below the
alarm level.
Excessive motor temperature. Check the
temperature of the liquid being pumped.
If the liquid's temperature is not above
40 °C, contact a support centre. Auto-
matic reset if the temperature falls below
the alarm level.
Invalid pressure sensor signal. Contact
customer service.
Invalid volume flow sensor signal. Contact
customer service.
Pump in alarm state due to short-circuit
LED 1 continuous + flashing red LED =
short-circuit
en
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