Proheat M80 Manuel de service télécharger pdf (Page 60)

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PROHEAT M-SERIES G-II PCM SERVICE MANUAL

FLAME OUT Diagnostic Code 2

Indicates that a flame was detected but it could not be maintained or after

eing established the flame went out before reaching the cycle off

temperature of 185°F (85°C).

lame Out sequence:

a) A flame is detected during the Ignition period or during Full Output.

b) The flame goes out.

c) The ignition is switched on for a maximum of 10 seconds to try and

reestablish the flame (Ignition periods will be 10 seconds longer in

cases where the Flame Out occurred during the Ignition period).

d) If the flame is not established the Flame Out diagnostic code is displayed.

A Flame Out diagnostic code distinguishes that:

a) A flame was detected therefore there was a spark and the Ignition

system works.

b) The flame was detected therefore the Flame Sensor works.

c) The fault is in the fuel supply system.

Troubleshoot the Flame Out diagnostic code based on:

1. Fuel supply to the PROHEAT. Go to page 4-5 & page 4-6, Step 1 & 2.

• Fuel tank pick-up.

• Fuel fittings.

• Fuel lines.

• OEM supplied filters and check valves.

2. PROHEAT fuel system.

Go to page 4-7 to page 4-17, Steps 3 to 7.

• Fuel Supply Pump

• Air Compressor

• Fuel Regulator

• Fuel Solenoid Valve

3. Operational symptoms that may occur in conjunction with a Flame Out

code. Go to page 4-5 to page 4-17, Steps 1 to 7.

• Combustion hesitation or coughing.

• Backfiring.

• Smoke.

• Strong diesel fuel odor.

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Proheat M80 Manuel de service Page 60