Possible Faults, Causes And Solutions; Technical Data - Espa DRAIN 100M Manual De Instrucciones

8. POSSIBLE FAULTS, CAUSES AND SOLUTIONS

1) The pump does not start.
2) Pump runs but there is no flow.
3) Pump stops automatically.
4) Pump does not deliver rated capacity.
1 2 3 4 POSSIBLE PROBLEM
X Lack of electricity
X X Improper thermal protection
X
Float switch disconnected
X X Wet end blocked
X Blocked float switch
X Disconnected discharge pipe
X Air trapped at the pump body
X Check valve assembled way round
X Pump partially covered of water
X X Inlet filter obstructed
Total manometric head higher than
X
expected
X Impeller worn
X Deteriorated discharge pipe

9. TECHNICAL DATA

Liquid temperature... ...................... 4ºC - 35ºC
Ambient temperature: ..................... 0ºC - 40ºC
Storage temperature: ................... -10ºC - 50ºC
SOLUTIONS
Replace fuses or switch RCCB (30mA)
Switch thermal protector or check that voltage is correct
Wait for water level to be back to adequate level
Call Service Engineer
Check the free operation of the float switch
Connect it and fix the discharge pipe correctly
Move the pump laterally to empty the air
Assemble the valve correctly
Submerge the pump or wait to have the suitable level
Clean the suction filter
Check the geometric head and loss of head
Contact a Service Engineer
Replace it by a new one
Ambient relative humidity, max.: ............... 95%
Motor class I.
Other data see Figure 1.
13
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