Hi-Target HTS-420R - Fault Clearance; Fail to Turn on

HTS-420R Maintenance Manual
20
1. CCD disconnected or broken
2. Broken LED
3. Mainboard failure
Don’t measure distance at all
Return no distance value
regardless of however long
distance it is measuring
1. Broken EDM laser
2. Broken EDM board
3. Laser getting blocked by shutter of
the prism/no prism
4. switch motor
Only measure short distance
Return value only when
measuring a short distance
1. Filter motor getting stuck
2. Weak laser
Inaccurate slope distance
result
Return inaccurate slope
distance value when
measuring
1. Incorrect Add constant setting
2. Incorrect multi constant setting
3. EDM board malfunction
4. Laser getting blocked by
light-path-switch motor
Inaccurate slope distance
result but inaccurate
horizontal distance result
Return accurate slope value
but inaccurate horizontal
value when measuring
1. Unqualified Index error
2. Stained code circle
3. Unqualified compensator error
4. Unstable tribrach
5. Hard light interference
6. Unqualified Laser beam offset
Fault Clearance
Take steps in sequence. If one step doesn’t solve the problem, take the next one.
1. Fail to turn on
(1) Check if battery has low power. If it does, replace the battery
(2) Check if battery cable is connected well
(3) Replace the screen unit and the cable then check again
(4) Replace the mainboard