
60
Problems when starting evacuation
5. No ready status after automatic start (cont.)
Check PG.
□
Does the PG value fluctuate?
The turbo molecular pump (TMP) does start above 300kPa.
If no leaks exist, the PG could be defective. See section
4.6 PCB Assy, Main
CTRL-A
.
A discontinuity in the PG wiring causes an error message to be display and prevents
startup.
Check the TMP.
□
Is the TMP running?
A problem could exist in the MAIN POWER PCB or cable if the TMP does not run
although PG is less than 300Pa.
−−
> See section
4.4 Main Power Assy
.
□
Has a TMP power supply error occurred?
The status LEDs can be seen by removing the sheet metal between the GC and MS.
If an error is displayed for TMP power supply, this indicates a problem with the TMP
or TMP power supply. Replace one of these and check the condition again.
Caution
The power supplies for the large TMP and small TMP are incompatible in early
GCMS-QP2010 models. Never swap the wiring for testing purposes or normal
operation will not be subsequently possible.
Hint
Evacuation system protective operations
(1) Start
Does the flow become READY within 3 minutes? No
−−
> error
(2) RP ON
Does the Pirani gauge drop below 300Pa within 5 minutes of turning on the rotary
pump (RP)? No
−−
> error
Summary of Contents for GCMS-QP2010 Series
Page 1: ...1 225 00612A Gas Chromatograph Mass Spectrometer GCMS QP2010 Service Manual...
Page 27: ...27...
Page 71: ...71 Wiring Diagrams 1 Wiring diagram Overall Wiring Diagrams...
Page 72: ...72 Wiring Diagrams 2 Wiring diagram MAIN POWER ASSY...
Page 73: ...73 Unit Operation Checks 3 Wiring diagram Details...
Page 76: ...76 MAIN POWER ASSY Block Diagram Parts inside the broken box are in the MAIN POWER ASSY...
Page 79: ...79 DC POWER A Block Diagram...
Page 84: ...84 MAIN CTRL A Block Diagram...
Page 85: ...85...
Page 90: ...90 IS CTRL A Block Diagram...
Page 94: ...94 HV PCB ASSY block diagram 1 UNNCI case of model EI CI 2 NCI case of model NCI...
Page 98: ...98 IG CTRL A PCB Block Diagram...
Page 109: ...109 DI CTRL A block diagram...
Page 150: ...126 Do not remove the 2 screws on the right side Remove the 2 screws on the left side...
Page 151: ...127 Remove cardboard Move the TW300 left by holding in both hands...
Page 155: ...131 Remove the cap of outlet Loosen the 3 fixing screws and remove the plate Remove the o ring...
Page 160: ...136 Remove the cardboard Completion of TMP mounting...
Page 161: ...137 12 Fix the flange to outlet Place the flange on the outlet Do not forget to place o ring...
Page 163: ...139 Slide fast the IS CTRL A board down and fix it 4 screws Connect the two connectors...
Page 164: ...140 14 Place the covers Place the front cover Place the front door...