TM 10-4510-206-14
TO 40P1-6-2-1
5 - 7.
REPAIR PROCEDURES ( CONT’D)
m.
UV Scanner and Flame Safeguard Control Test and Repair. The UV scanner
and flame safeguard control protect operating personnel and the Bath
Unit against hazards that may exist; if power fails, water temperature
goes too high,
w a t e r l e v e l i s t o o l o w , f u e l r u n s o u t o r i s c u t o f f , o r
i g n i t i o n f a l l s .
Perform the following procedures if the hot water
heater fails to turn on and heat water or if it shuts down and sounds
an alarm.
Perform an operational check once a month If the water
h e a t e r i s n o t i n u s e.
1.
Set up Bath Unit for operation (Chapter 2).
2 .
Turn on fuel and power.
3 .
Wait approximately 20 seconds.
If audible alarm sounds, go to step
10.
If blower motor does not come on and ignition does not occur,
g o t o n e x t s t e p .
5 - 5 8
