Runco Vx 44d Projector User Manual

Runco VX-44d/-55d Owner’s Operating Manual 79 
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5.1 
Lamp and Filter 
Replacement
The VX-44d/-55d uses a Cermax® Xenon lamp to deliver its high brightness. The lamp 
should be replaced when it reaches the end of its life (typically 1000 hours), or sooner if a 
noticeable degradation in brightness occurs. When you replace a lamp, you should 
replace the filters as well. 
Keep track of the number of hours the lamp has been in use and be aware of any changes 
to brightness. These indicators will...

Maintenance and Troubleshooting
80 Runco VX-44d/-55d Owner’s Operating Manual
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4. Grasp the lamp by its housing only and pull it straight out (lamp slides along guides) 
until it’s free; see 
Figure 5-3. Discard the lamp using safe disposal/recycling practices 
or contact your Runco dealer for a possible re-lamping program. 
Figure 5-3. Removing the Lamp
5. Align the new lamp with the top and bottom guides on the left side of the lamp 
compartment; see 
Figure 5-4. Slide the lamp all the way...

Maintenance and Troubleshooting
Runco VX-44d/-55d Owner’s Operating Manual 81 
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13. Press ENTER to accept the change. This adds the new lamp serial number to the 
Lamp History menu and resets the Lamp Hours timer to “0.” Lamp Mode and Lamp 
Limit remain as they were for the previous lamp and can be changed at any time. 
Figure 5-5. Recording the Serial Number of a New Lamp
Filter ReplacementWhenever you replace the lamp – or more often if the projector is installed in an extremely 
dusty...

Maintenance and Troubleshooting
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5.2 
Lens Replacement
If you need to remove the lens – either to replace it or to prepare the projector for 
shipment – proceed as follows: 
1. Power down the projector and wait five minutes to allow the lamp to cool. 
2. Remove the secondary anamorphic lens, if present. 
3. Place the lens cap on the installed lens to protect it from damage. 
4. Press and hold the “lens release” button located in the top right...

Maintenance and Troubleshooting
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5.3 
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may 
encounter with the VX-44d/-55d. If the suggested solutions fail to resolve the problem or if 
you encounter an issue not described here, please contact Runco Technical Support. 
Table 5-1. Troubleshooting Chart 
SymptomPossible Cause(s)Solution
The projector does not turn 
on after initial installation.  The...

Maintenance and Troubleshooting
84 Runco VX-44d/-55d Owner’s Operating Manual
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The display is jittery or 
unstable. Poor-quality or improperly 
connected source. 
 
 
 The horizontal or vertical 
scan frequency of the 
input signal may be out of 
range for the projector. 
 Ensure that the source is 
properly connected and of 
adequate quality for 
detection. 
 Correct at the source. 
Image is too bright and/or 
lacks definition in the bright 
areas of the image.  Contrast is set too high....

Maintenance and Troubleshooting
Runco VX-44d/-55d Owner’s Operating Manual 85 
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Error CodesIf the status code display on the back of the projector shows one of the following values, 
you have encountered a likely system error requiring the attention of a qualified service 
technician. Acknowledge and clear the error by pressing EXIT twice on the rear-panel 
keypad. Try resetting the projector by powering it off, allowing it to cool and powering it on 
again. Refer to 
Table 5-2 and contact...

Maintenance and Troubleshooting
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Lamp Failures
20Lamp turned on unexpectedly (fault related to ballast). 
21Lamp airflow low, overheating imminent. 
23Cannot read valid ballast ID. 
26Lamp 1 Interlock: lamp door open, lamp not installed. 
27Can’t turn lamp on. 
28Lamp turned off unexpectedly. 
29Lamp ballast overheated. 
Power and Cooling
46Red DMD heat sink overheated.
47Green DMD heat sink overheated.
48Blue DMD heat sink overheated.
49Prism...

Maintenance and Troubleshooting
Runco VX-44d/-55d Owner’s Operating Manual 87 
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TIPM (Image Processor)
60Boot code CRC failed. 
61Unable to program DigMux PLD. 
62Unable to program Control PLD. 
63Unable to program Bubks PLD. 
64Unrecognized ROM type. 
65Write to flash ROM failed. 
66TIPM failure. 
67Downloaded code will not fit. 
68Scaler communication problem. 
Built-In Keypad
70Unable to access EEPROM on the built-in keypad. 
71EEPROM memory re-initialization on the built-in keypad. 
Panel...

Maintenance and Troubleshooting
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Miscellaneous
A0Unable to program the optional module. 
A1Unable to power the optional module. 
A2Unable to program the Dual Slot Backplane Module (DSBP). 
A3Unable to program the optional Post Processing Module (Warp module). 
Table 5-2. VX-44d/-55d Error Codes (continued)
Code Description
Note: To clear a system error, press the EXIT key (on the projector’s rear-panel keypad) twice. If 
necessary, reset the...