How To Carry Out The Test Blocks - Philips Avalon CTS M2720A Service Manual

Safety Tests

How to Carry Out the Test Blocks

Key to Table 2 P = Pass, F = Fail, X = test result value to be recorded.
Test Block Test or Inspection to be Performed
Visual Inspect the unit, transducers and cables for
any damage.
Are they free of damage?
Power On Power on the unit.
Does the self-test complete successfully?
Performance Perform the parameter test with all parame-
ters as described on page 48.
Do these tests complete without errors?
Safety (1) Perform Safety Test: Protective Earth.
Safety (2) Perform Safety Test: Enclosure Leakage Cur-
rent - Normal Condition.
Safety (3) Perform Safety Test: Enclosure Leakage Cur-
rent - Single Fault Condition - Open Supply.
Safety (4) Perform Safety Test: Enclosure Leakage Cur-
rent - Single Fault Condition - Open Earth.
System Perform the system test according to IEC
60601-1-1, if applicable, after combining
equipment to form a system.
Table 2: M2720A: Test and Inspection Matrix
6 Preventive Maintenance and Safety
Expected Test Results
If Yes, Visual test is passed.
If Yes, Power On test is passed.
If Yes, Performance Test is passed.
With mains cable:
Maximum impedance = X1
(<= 100 mOhms)
With mains cable:
Maximum leakage current = X2
(<= 100A)
With mains cable:
Maximum leakage current = X3
(<= 500A)
(Note: maximum leakage current in
the US: 300A)
With mains cable:
Maximum leakage current = X4
(<= 500A)
(Note: maximum leakage current in
the US: 300A)
See Safety Test (2) and Safety Test
(3)
What to Record
on Service
Record (Philips
Personnel only)
V:P or V:F
PO:P or PO:F
P:P or P:F
S(1):P/X1 or
S(1):F/X1
S(2):P/X2or
S(2):F/X2
S(3):P/X3or
S(3):F/X3
S(4):P/X4or
S(4):F/X4
See Safety Test (2)
and Safety Test (3)
51