16
FAULT FINDINGS
Waterford Stanley
Bilberry, Waterford, Ireland.
Telephone: (051) 302300
Facsimile: (051) 302375
Rev: 003 DP020709
PROBLEM CAUSE REMEDY
1. Poor Flue Draught: (a) Obstruction. (a) Clear and clean.
(b) Chimney too low. (b) Raise height above ridge.
(c) Chimney too wide. (c) Fit flue liner 150mm (6”)
(d) Crack in wall. (d) Repair cracks.
(e) No flue liner (e) Fit flue liner
2. Excessive Flue Draught (a) High chimney. (a) Fit draught stabiliser venting to the outside atmosphere.
3. Down Draught: (a) High trees (a) Raise chimney height.
(b) High buildings (b) Raise chimney height.
(c) Low chimney. (c) Raise chimney height.
(d) Positive pressure zone. (d) Check flue termination
4. Cooker Smoking: (a) Insufficient primary air. (a) Provide additional room air inlet or adjust burner air intake.
(b) Chimney choked. (b) Clean chimney.
(c) Downdraught. (c) Raise chimney height.
(d) Poor combustion. (d) Check air supply.
5. Hot Plate Not Heating: (a) Burner cutting out. (a) Increase cooker thermostat setting.
(b) Utensils not flat. (b) Use machined based utensils.
6. Oven Not Heating: (a) Flueways blocked with soot. (a) Clean out.
7. Radiators Not Heating: (a) Circulating pump not working. (a) Check and replace if defective.
(b) Room thermostat set too low (b) Increase setting
(c) Air in system. (c) Bleed system.
(d) Pipe system faulty. (d) Check pipe sizes and circuit.
(e) Excessive number of radiators (e) Turn off un-needed radiators.
(f) Radiator valves not balanced. (f) Adjust valves to give an even flow.
(g) By-pass incorrectly set. (g) Adjust by-pass valve
8. Domestic Hot Water (a) Cylinder too large. (a) Use 180 litre cylinder.
Cylinder not getting (b) Flow pipe too large. (b) Use 28mm bore pipe.
hot enough: (c) ‘Balancing valve’ is closed. (c) Open ‘balancing valve’.
(d) Cylinder thermostat set too low. (d) Increase thermostat setting.
(e) Circulating pump not working. (e) Check and replace if defective.
(f) Motorised valve not opening (f) Check and replace if defective.
9. Intermittent Performance: (a) Cooker starved of primary air. (a) Provide air inlet in room.
(b) Extraction fan in room. (b) Provide additional air inlet in room.
(c) Dirt in nozzle. (c) Clean or replace nozzle.
(d) Dirty burner. (d) Service burner.
(e) Faulty Thermostats. (e) Replace if defective.
(f) Dirty flueways. (f) Clean flueways.
(g) Dirty Oil Filter (g) Clean or replace
(h) Worn nozzle (h) Replace nozzle
10. Domestic Hot Water (a) Leak in indirect cylinder. (a) Replace cylinder.
Rusty: (b) Incorrect cylinder fitted. (b) Check with installer.
It is of the utmost importance to keep the flue pipe and chimney clear of deposits. Blocked or
partially obstructed flueways and chimneys will cause dangerous fumes to be emitted into the room,
these may well be invisible.
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