Aiko CTH3-150 Manuale Utente

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RED, 8 flashes:

Lockout- Pressure switch 
failed to operate or modulation 
current was incorrect. 
Condition could be caused by:

• Pressure Sensor

• Pressure Switch 

                                (faulty or hoses reversed)

• Gas Valve Modulation Coil

• Wire Harness (6 wire)

RED, 9 flashes:

Lockout- Air Supply. 
Condition could be caused by:

• Blower

• Pneumatic Conections to

Pressure Sensor

• Blockage in flue or inlet