Nameplate; Possible Faults, Causes And Solutions; Technical Data - Espa Multi Gebrauchsanweisung

8. POSSIBLE FAULTS, CAUSES AND SOLUTIONS

1) The motor does not start.
2) Motor operates but there is no pressure.
3) Motor over-heating.
4) Pump does not deliver rated capacity.
5) Motor starts and stops automatically.
6) Shaft rotates with difficulty.
1 2 3 4 5 6 POSSIBLE PROBLEM
Pump blocked
X X
X Foot valve clogged
X X Total head higher than expected
Wrong tension
X X X
Water level in well or tank has come
X X
down
X Fuse or thermal relay disconnected
Impellers are worn out
X X
X Foot valve not submerged
X Pump was not primed
X X Room not properly aired
X Air entry

9. TECHNICAL DATA

Liquid temperature... ...................... 4ºC - 40ºC
Ambient temperature: ..................... 0ºC - 40ºC
Storage temperature: ................... -10ºC - 50ºC
SOLUTIONS
Disconnect it and take it to the official Technical
Service
Clean it or replaced by new one
Verify geometric head and loss of head
Check that the tension is the same as that on the
name plate
Verify suction head
Change fuse or thermal relay
Disconnect pump and take it to your Service
Dealer
Be sure suction pipe is submerged
Fill pump body with water
Provide good ventilation
Seal unions and joints properly
Ambient relative humidity, max.: ............... 95%
Motor class I.
Other data see Figure 2.
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EN