-121
3. No fans, lights, text and no
LCD back light (no nothing)
1. Verify circuit breaker is in the ON position
2. Verify AC power is present at outlet, i.e. plug
a known good item into outlet.
3. Check if the thermal snap switches are open.
If snap switches are open, verify chamber
fans are operating correctly. Replace
chamber fans.
4. Verify chamber fans are operational. If not,
replace 24VDC power supply.
5. Check cable from 24VDC supply to PDB.
6. PDB has failed, no 24 volt output. Replace
PDB.
4. No fans, lights, text and LCD
back light is ON
1. Verify chamber fans are operational. If not,
replace 24VDC power supply.
Summary of Contents for DESIGNJET 3D
Page 1: ...HP Designjet 3D HP Designjet Color 3D Service Guide ...
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Page 314: ... 298 Figure 272 HP Designjet 3D measurement points and worksheet BL FL FR BR ...
Page 315: ... 299 Figure 273 HP Designjet Color 3D measurement points and worksheet BL FL FR BR ...
Page 349: ... 333 Figure 316 HP Designjet 3D measurement points and worksheet BL FL FR BR ...
Page 350: ... 334 Figure 317 HP Designjet Color 3D measurement points and worksheet BL FL FR BR ...
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Page 404: ... 388 Figure 402 HP Designjet 3D measurement points and worksheet BL FL FR BR ...
Page 405: ... 389 Figure 403 HP Designjet Color 3D measurement points and worksheet BL FL FR BR ...
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