Service manual

Nacho Family Service Manual 8
LED flashes single red
The lamp won't strike after five attempts. The status
LED flashes a repeated red single-flash sequence.
Verify the repair by
restarting the Power
Diagnosis process.
Voltages good
at power supply/
controller
connector?
(page 15)
No
Ensure that the lamp is good.
Yes
Yes
Replace color wheel
assembly.
(page 40)
Replace power
supply.
(page 49)
Open the lamp door. Check the interlock switch.
(page 24)
Problem
solved?
No
Yes
Lamp did not strike
LCD Message
Retrying, wait...
Repeats
Interlock switch
good?
Yes
No
Replace the exhaust fan
assembly (includes the
interlock switch).
(page 37)
Is the lamp
door closed?
No
Close the door properly
and restart diagnostics
Restart the diagnostic
process.
Make sure lamp connector
securely attached to lamp cable
(page 24)
Replace the controller
ECA.
(page 44)