Cassette Player User Manual
SECTION 12: TROUBLESHOOTING 
61 of 71
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 flu e or inlet










