D-MAX Superior Speed Dome Technical & Service Manual - page 23
T E C H N I C A L S E R V I C E M A N U A L ( V E R . 1 . 1 )
23
D. Pan/Tilt Actuate Part
ⓐ Back Box Assembly
Check if the RS-485 terminal is connected
exactly. If the polarity is changed or short
of them, it may cause faulty operation.
ⓑ Dome Drive
During initialization, neither pan nor tilt
movement are not successful, and the
movement is not tilt but pan, you may
experience problem like a message “Pan/Tilt
Position Error” in OSD menu, then replace
Pan Sensor Assembly from the Main Base
Plate Assembly.
ⓒ During initialization, the movement is not
pan but tilt, you may experience problem
like a message “Pan/Tilt Position Error” in
OSD menu, then replace Tilt Limit
Assembly from the Tilt Bracket Assembly.
(Refer to fig 24.)
ⓓ During initialization, there are unexpected
sounds or vibration on the motor, then
replace Pan Motor Assembly and Tilt
Motor Assembly in each.
ⓔ If the problems persists even when make
all steps as the above, then replace main
board.