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SYMPTOM CAUSE/REMEDY
Power is not supplied. Is the power cord connected? Replace the power cord.
Is there a connection to the main switch?
Replace the main switch: P/N 1A154A084-01 (560 or 750 Series).
Circuit breaker CB1 trips when
main switch is turned to LAMP
position.
There may be a short circuit of the fan motor or transformer T-10.
Replace the defective part (depending on your model) :
P/N 1A166A106-03
P/N 1A669A140-01 (M4)
P/N 1A6699A107-01 (M3)
P/N 1A165F033-06 (M2)
P/N 1A165F039-01 (M5, M6)
P/N 1A165F033-06 (M1)
P/N 1A164A101-01 (T-10)
Xenon lamp will not start (starter
spark is detected when the main
switch is turned to the LAMP
position).
Is the lamp positive wire too close to the metal of the body frame?
Change the position of the lamp wire. It should be at least 15mm from
all metal.
There may be a defective Xenon lamp. This is one indication that the
lamp life has expired.
Replace the lamp (P/N XB-560 or P/N XB-750, depending on your
model).
No starter spark is detected when
the main switch is turned to the
LAMP position.
85V DC may be across the starter or the starter may be defective.
Replace the starter with P/N 1A685A088-01 (560 Series, no housing), P/N
1A159A035-01 (560 Series, black housing) or P/N 1A817S006-01 (750
Series).
70V or less is across the starter, +12V is not present between pins 15 &
14 of IC Q1.
Check the connector: CN12 P/N 1A172A058-03 (560 Series) or CN52
P/N 1A172B070-03 (750 Series).
Dark Xenon lamp. The lamp current may be under the current of 25 Amps for the 560 Series
or under 37.5 Amps for the 750 Series.
Adjust VR11 of pulse width PCB for the 560 Series or VR1 of pulse width
PCB for the 750 Series.
The lamp may be worn out.
Replace the lamp (P/N XB-560 or P/N XB-750, depending on your
model).
Dark picture or uneven illumination
of image.
The lamp or optics may be improperly positioned.
Adjust the lamp position and check alignment of reflectors and the
reflector holders.
The Xenon lamp may be defective.
Replace the lamp (P/N XB-560 or P/N XB-750, depending on your
model).
NOTE: DONT BREAK THE PAINT ON THE REFLECTOR MOUNT
SCREWS TO CHECK IF THEY ARE LOOSE. A COMMON PROBLEM IS
THAT THE REFLECTOR HAS BECOME LOOSE FROM REPEATED
SHIPPING.
The biggest problem that will occur with these units is failure to perform preventative maintenance. After a unit
has been shipped a number of times it is a good idea to check the electrical connections and to look for loose
screws. If loose screws are found and tightened, you will save many problems later.
Troubleshooting
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