5 - 7.
REPAIR PROCEDURES ( CONTD)
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
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.
Set up Bath Unit for operation (Chapter 2).
Turn on fuel and power.
Wait approximately 20 seconds.
If audible alarm sounds, go to step
If blower motor does not come on and ignition does not occur,
g o t o n e x t s t e p .
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