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The Q-1500d Series LED Home Theater Projection System does not require any routine
maintenance. There are no user-serviceable or -replaceable parts. Unless you are a
qualified, factory-trained Runco technician, do not attempt to repair or replace any
system component yourself. You will void the product warranty if you do so.
Table 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the Q-1500d Series LED Home Theater Projection System. If the
suggested solutions fail to resolve the problem or if you encounter an issue not described
here, please contact your Runco dealer or Runco Technical Support.
Table 5-1. Troubleshooting Chart
Symptom
The projector does not turn
on.
The primary optical engine
does not turn on or respond to
user commands. The vacuum
fluorescent display on the Pri-
mary DHD Controller front
panel displays the following
message:
Primary Display Error
Communication Failure
The secondary optical engine
does not turn on or respond to
user commands. The vacuum
fluorescent display on the Pri-
mary DHD Controller front
panel displays the following
message:
Secondary Display Error
Communication Failure
Q-1500d Series Installation/Operation Manual
5. Maintenance and Troubleshooting
Possible Cause(s)
• The projector is not
plugged in or the AC outlet
is not active.
• The Primary DHD Controller
is not plugged in or the AC
outlet is not active.
• The remote control
batteries have run out.
• The serial connection from
the Primary DHD Controller
to the primary optical
engine on the display is
incorrect or the cable is
faulty.
• The serial connection from
the Secondary DHD
Controller to the secondary
optical engine on the
display is incorrect or the
cable is faulty.
Solution
• Ensure that the projector is
plugged in and that the AC
outlet is active.
• Ensure that the Primary
DHD Controller is plugged
in and that the AC outlet is
active.
• Replace the batteries.
• Ensure that the
Display Control (RS-232)
output from the Primary
DHD Controller is properly
connected to the display
(see Figure 3-13).
• Ensure that the
Display Control (RS-232)
output from the Secondary
DHD Controller is properly
connected to the display
(see Figure 3-13).
97
Maintenance
Troubleshooting
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