Elson EBW25 - Fault Finding; Troubleshooting Common Issues

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8.0 FAULT FINDING
Your Elson EBW25 should give trouble free operation, however should a fault occur, the
table below should allow most faults to be identifi ed. Fault fi nding should only be carried
out by a competent person.
For any faults that cannot be identifi ed using the Fault Finding chart please contact the
Elson After Sales Service, telephone (0844) 335 8819, fax (0844) 871 1528.
SYMPTOM POSSIBLE CAUSE ACTION
No indicator
lights
1. If no water or heat - no
power to unit
2. If hot water available
- no power to indicator
diodes
1. Check power supply is correctly
connected and switched on and the
primary cutout has not operated.
2. Check connections to indicators at 4
way plug
Water fl ows
from vent and
primary cutout
operates
1. Solenoid valve fault
2. Level sensor fault
3. Electronic control fault
4. Low water pressure
1. Check operation of solenoid valve.
Replace if necessary
2. Check level system
3. Check connections to electronic
control. Replace if necessary
4. Increase inlet pressure
Steam from
vent pipe and
primary cutout
operates
1. Control thermistor fault -
open circuit
2. Electronic control fault
3. Scale build up
1. Check continuity (5Kohms at 100°C)
2. Check connections to electronic
control. Replace if necessary
3. Descale unit
Drips from
outlet
1. Incorrect spring tension
2. Scale: Debris under tap
seal
3. Damaged tap seal
4 Scale on tap outlet spout
1. Ensure tap headwork nut correctly
adjusted
2. Remove and clean as necessary
3. Replace tap seal
4. Clean tap outlet
Water “runs
on” when tap
released
1. Scale on tap outlet spout
2. Scale debris under tap
seal
3. Damaged tap seal
1. Clean tap outlet
2. Replace and clean as necessary
3. Replace tap seal
Stale taste to
water
Unit left unused for several
days
Empty and allow to refi ll before use
Tap sticks
open
Dirt around handle pivot Clean with a stiff paint brush