Anderson 80G530 Betriebshandbuch - Seite 13

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12. Troubleshooting Procedures

Problem

Cannot initiate a start

Air pressure switch has not made contact

sequence

High gas pressure switch has activated.

Low gas pressure switch has activated

Purge cycle not completed.

Malfunction of the flame safeguard system

(e.g., flame sensor failure or electrical

noise in the sensor line).

No power to the control unit.

Main power is off.

Start-up sequence

There is no power to the ignition

runs but

transformer

burner does not light

No power to ignition transformer or wire

broken between transformer and sparker

The igniter needs cleaning

The igniter is not correctly grounded to the

burner

Too much gas: Improper gas valve train

sequence

Too much gas: Manual gas butterfly

valves have been opened too far

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Possible Cause

Solution

Check air pressure switch adjustment.

Check air filter.

Check blower rotation.

Check outlet pressure from blower.

Check incoming gas pressure, adjust if

necessary.

Check pressure switch setting and operation

Check flame safeguard system

or purge timer.

Have a qualified electrician

troubleshoot and correct the problem.

Be sure the main power to the system is

switched to the "on" position.

Restore the power to the ignition transformer

Check electrical connection between

transformer and sparker.

Clean the igniter

Clean the threads on the igniter and the

burner. NOTE: Do not apply grease to the

threads on the igniter

Verify solenoid valve is down-stream of

proportionator

Check pressures and settings against

start-up report and adjust as necessary