D135-10-880C - Troubleshooting
Page 101
E68
TMP error: temperature
converter too high (> 75 °C)
Maximum temperature for the converter has been
exceeded.
Ambient temperature too high: Feed cooler air to
the ELD500
Fan defective: Replace the fan
Fore vacuum or high-vacuum pressure to high:
reduce the inlet pressure of the ELD500
E69 TMP error: Run-up time out
Maximum time after which the pump must enter
its normal operation mode has been exceeded.
Fore vacuum or high-vacuum pressure to high:
Reduce the inlet pressure of the ELD500
Bearing defective: Inform Edwards service for
repair
E70
TMP error: TMP motor
temperature too high (> 90 °C)
Max. motor temperature has been exceeded.
Fore vacuum or high-vacuum pressure to high:
Reduce the inlet pressure of the ELD500
Fan defective: Replace the fan
Ambient temperature too high: Feed cooler air to
the ELD500.
Bearing defective: Inform Edwards service for
repair
E71
TMP error: TMP could not be
identified
Pump could not be identified or no pump is
connected.
Pump not connected to Turbo.Drive S: Check
connecting cable
E72 Emission off (P1 too high) Air inrush
E73 Emission off (p2 too high)
The emission is switched off as soon as the
pressure P2 > 0.2 mbar or 1.5 mbar in the
measurement mode. If after closing the inlet valve
the pressure drops again, the leak detector will
revert to the standby mode.
Air inrush in the measurement mode.
W74
Error proportional valve or
control electronics (ELD500
DRY only)
Proportional valve V4b or control electronics for
proportional valve V4b mounted on top-hat rail
next to fore-pump non-existent or faulty.
W75
Maximum evacuation time
exceeded. Within the pre-set
evacuation time the pressure
of 100 mbar was not reached.
"Test sample has got a GROSS leak." and "Wrong
setting (too short) of maximum time of
evacuation."
Table 24 Fault finding (continued)
No. Displayed message Description and possible solutions
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