Trouble Shooting Guide - Stanley OISIN MK II Installation And Operation Instructions Manual

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Table Of Contents

Table of Contents

PROBLEM

Pilot will not light

Pilot lights but goes out

when the control knob

is released.

Burners will not light.

Heater operates normally

then goes out within

10 minutes.

Noise in pilot/burners

Draught hood spillage.

Flame characteristics:

Hard sharp flame

Yellow flame

Lifting flame

Small sharp flame

TROUBLE SHOOTING GUIDE

POSSIBLE CAUSE

No gas

Safety interlock preventing

Operation.

Control knob not fully pressed.

Disconnected piezo igniter.

Air in gas lines

Insufficient gas pressure.

Damaged pilot hood.

Blocked orifice.

Defective control valve.

Faulty piezo igniter

Insufficient flame impingement on

thermocouple.

Incorrect position of thermocouple. Call your qualified service technician.

Weak milli volt current.

Poor electrical contacts.

Control knob may not be

turned to correct position.

Air in gas lines.

Incorrect inlet pressure.

Blocked orifice.

Faulty control valve.

Blocked flue.

Insufficient draught leading to the

switch activating.

Defective vent safety switch.

Excessive gas pressure.

Chimney or venting system not

high enough.

Chimney or venting system blocked Clear blockage.

Leaks in chimney or venting

system joints.

Insufficient air supply when other

air using appliances are in

operation.

Excessive primary air.

Insufficient primary air supply.

Over sized burner orifice.

Excessive gas pressure.

Clogged burner orifice.

Semi clogged gas supply line.

Excessively low gas pressure.

SOLUTION

Check gas is turned on.

Wait 5 minutes & attempt to relight.

Ensure control knob is being fully

pressed.

Connect piezo cable.