Hardware manual

5-24 Agilent 7500 Series ICP-MS Hardware Manual
5 Troubleshooting
1139* Error: Turbo Pump not at desired speed.
The number of revolutions of the turbomolecular pump went below the limit (In
Standby Mode).
Check the number of revolutions and the current of the turbomolecular pump,
vacuum pressure (AN), vacuum pressure (IF/BK), and S75 power voltage. The
following causes are inferred.
• A rise in the vacuum pressure.
• The connector of the turbomolecular pump came off.
• Faulty turbomolecular pump power (S75).
• Faulty turbomolecular pump or turbomolecular pump controller.
• There is a fault in the System I/O Board.
1140 Error: Turbo pump cooling fan malfunction.
The number of revolutions of the turbomolecular pump cooling fan went down
abnormally or stopped (In Standby Mode).
Check the turbomolecular pump cooling fan. The following causes are inferred.
• The cooling connector of the cooling fan came off.
• Faulty cooling fan.
• There is a fault in the System I/O Board.
1141 Error: Gate valve is closed due to an error while in Analysis Mode.
The gate valve is closed during the Analysis mode.
Check the gate valve. The following causes are inferred.
• The connector of the gate valve came off.
• Faulty gate valve.
• There is a fault in the System I/O Board or the gate valve connector board.
• The Plasma was shut off.
1142 Error: Turbo pump (I) not at desired speed.
The number of revolutions of the turbomolecular pump (I) went below the limit
(In Analysis Mode).
Check the number of revolutions and the current of the turbomolecular pump
(I), vacuum pressure (IF), vacuum pressure (BK), and S75 power voltage. The
following causes are inferred.
• A rise in the vacuum pressure.
• The connector of the turbomolecular pump (I) came off.
• Faulty turbomolecular pump power (S75).
• Faulty turbomolecular pump (I) or turbomolecular pump controller (I).
• There is a fault in the System I/O Board.
1143* Error: Turbo pump (A) not at desired speed.
The number of revolutions of the turbomolecular pump (A) went below the
limit (In Analysis Mode).