Table of Contents
Advertisement
OPERATIONAL PROBLEM
The "Power On" light doesn't illuminate.
Lockout water limit is displayed with a call for heat.
Lockout gas pressure is displayed with a call for heat.
Lockout fl ow switch is displayed with a call for heat.
UV scanner switch is displayed fl ashing along with
the normal running display.
KN INSTALLATION AND OPERATION INSTRUCTIONS
TROUBLESHOOTING
CORRECTIVE ACTION
Ensure that proper voltage is being supplied to the unit
Inspect the circuit breaker for the boiler circuit
Check the light
Ensure that the power switch operates properly and is
wired correctly
Check both the high limit and low water cut off.
Ensure that the boiler has been completely purged
of air.
Ensure that all system valves are in the correct
position.
Ensure that the manual main gas valve is open.
Ensure that there is suffi cient gas pressure supplying
the boiler.
Check pressure setting on the low gas pressure
switch.
Ensure that there is suffi cient water fl ow through the
boiler
Ensure the scanner-cooling pump is operating.
Make sure there are no obstructions in the tubing
supplying the air to the scanner.
Page 29
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
Need help?
Do you have a question about the KN SERIES and is the answer not in the manual?