Part 9 Trouble Shooting - Camus Hydronics DynaFlame DFW501 Installation, Operation And Service Manual

PART 9 TROUBLE SHOOTING
Note: Before troubleshooting, familiarize yourself with the field startup procedure.
STEP 1 • Turn circulating pump ON.
• Turn gas supply to the appliance ON.
• Turn electric power to the appliance ON.
• Set target to desired temperature and set Diff to 5
• Turn high limit to highest setting
YES
STEP 2 Power Lights Turns On
YES
STEP 3 Operation Light Turns On
YES
High Limit Light Turns On
STEP 4
NO
Water Flow Light Turns On
STEP 5
NO
Air Flow Light Turns On
STEP 6
NO
STEP 7 Ignition Trial Lights Turns On
YES
Next Page
45
o
NO
Check power supply to heater
YES
Light burnt out, replace
NO
Check for boiler demand
YES
Light Burnt Out, Replace PCB
YES
• Check Manual 'Reset' if equipped
• Check water temperature
YES
• Check Water Flow
• Check Flow Switch
YES
•Wait for VFD to reach soft start speed
• Check vent for blockage
• Check fan operation
• Check differential pressure switch
• Check optional Low/High gas pressure switches
NO
Check for glow on igniter
F
NO
NO
NO
• Check igniter for damage
• Check ignition control wiring
Check power breaker
No Demand