B2 HVA34 - Disconnection Procedure; Normal Disconnection Procedure

7
Disconnection Procedure
54
DHV0078 b2 EN
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7 Disconnection Procedure
Disconnection diagram
Normal conditions
Steps D1-D8 describe the normal disconnection procedure.
Step
Procedure (normal disconnection)
D1
Press Emergency OFF
Stop test according 5.4. and press emergency OFF to lock against re-energizing
D2 Verify HV status
• Wait until LED red light deactivates (indicates residual voltage < 100 V)
D3 Discharge and earth the DUT complying with local safety regulations
D4 Turn OFF HVA
• Turn the HVA main switch off
D5 Lock HVA in disabled state to prevent unauthorized use:
• Turn key switch to OFF position and remove key
DANGER
Electric
shock hazard
Never assume that equipment is safe to handle without using the
required safety
equipment and
earthing procedures.
Disconnection procedures must comply with local safety
regulation
s.
•
Before disconnecting test lead, DUT must be discharged and earthed.
• Earth connections must be removed last!