Troubleshooting
DHD410S Service Manual
41
020-001481-01 Rev. 1 (10-2018)
Verify IR remote keypad operation
IR remote
keypad
troubleshooting
Replace the batter
y
of
remote controller
Is th
e unit
pow
ered on?
Is the unit
power
on?
Check the
IR board
conn
ections
in
the
remote.
Does the OSD
menu
sh
ow up on-screen?
P
ress
the menu button on
the
IR remote keypad
No
No
No F
a
ult
Found
Yes
Plug
in sign
al cable
and power
c
o
rd, then press the
pow
er
button
on the remo
te
A
re
the other func
tions
o
n
the
IR remote keypad working?
End
Yes
Replace the
IR
remote keypad
No
No
Yes
Ye
s
Yes
Yes
Summary of Contents for DHD410S
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