Blodgett BLCT-6E - Page 49

Troubleshooting
Error 52/62
Gas valve failure. The gas valve does not open after 5 startup
attempts (timeout 20 sec.)
Steps
Check list
Solution
1 Go to the test menu. Perform the
startup sequence.
2
Check that the controller receives
If there is no feedback,
feedback from the pressure switch and
perform the startup
the gas valve.
sequence again.
3
Check that the relays are working
Change the relays.
properly.
4 Check the Dungs control
box. (See Appendix I:
Identifying Gas-air Units and Coil on
page 66)
Error 53/63
Fan RPM. The pressure switch is active at start (timeout 20 sec.)
50 SERVICE MANUAL