19
b) The main switch can be set
to ON but the burner does
not ignite.
Problem
Cause
Remedy
Page
The lamp housing connecting
cord is connected improperly.
Connect it properly to the con-
nectors.
The mercury burner is not
mounted.
Attach a mercury burner.
The safety mechanism in the
lamp housing is activated.
Tighten the lamp burner socket
clamping screw firmly.
The auto ignition system is mal-
functioning.
Set the main switch of the power
supply unit to “ ” (OFF) then “ ”
(ON) again.
(Repeated ON-OFF is possible
in this case.)
c ) The mercury burner flickers
or the brightness is low.
The auto ignition safety mecha-
nism is activated.
Press the switch inside the
starter reset hole on the right
panel of the power supply unit,
and then set the main switch to
“ ” (ON) again.
This phenomenon is observed
in a short period after ignition.
Wait for 10 minutes or more
after ignition.
The power supply voltage
and/or frequency switches are
set improperly.
Set them properly.
The burner life has expired.
Replace the mercury burner.
d) The service lives of mercury
burners are very short.
The power supply voltage is set
improperly.
Set it properly.
27
25, 26
25
13
13
13
27
25, 26
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