Merrychef eikon
®
e2s service and repair manual
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5.4 Safe working when testing components
For your safety when testing oven components
Before starting oven tests, familiarize yourself with the rules and hazard warnings in section 2 ‘For your safety’, specifically
section 2.14 ‘Safe working when testing components’.
5.5 Requirements
Equipment required for testing the appliance
HV Capacitor discharge tool
Portable Appliance Tester (P.A.T.)
Digital Multi-Meter (D.M.M.)
Proprietary voltage detector
Electrical lock out tools & equipment
Megger / similar 500 V d. c. Insulation tester
Microwave detection / leakage meter (calibrated)
Temperature reader (calibrated)
Microwave safe 600 ml glass beaker
Microwave safe 2 litre container
5.6 Testing selected components (casing mounted)
Technical advisory notice: PAT testing of Merrychef ovens
While testing with a Portable Appliance Tester (PAT) is not an automatic requirement for the Merrychef commercial
combination microwave oven models, the following notice is to advise on this testing in addition to the following instructions
as deemed necessary.
If the customer requires PAT testing of the Merrychef equipment we suggest this is limited to a) earth continuity and b)
insulation resistance (measured at ~ 500 V DC). All Merrychef commercial combination microwave ovens are classified as
CLASS 1 for the purpose of testing.
Should it still be deemed necessary by the customer to perform an Earth Leakage test, the following advice should be adhered
to. Note that not all PATs are capable of just measuring the leakage or allow you to set a pass limit and therefore may not be
appropriate for this test.
WARNING
High leakage current
Merrychef appliances are fitted with radio interference filters and inverter circuits which cause an increase in leakage current.
The PAT may indicate an erroneous failure condition depending on its internal "pass"/"fail" settings. Please refer to the revised
limits which apply to the specific Merrychef oven model.
Model maximum limit applied with radio interference filter fitted
WARNING
Never touch the component under test while tests are being carried through.
§ Call a trained authorized Merrychef service agent if the oven under test still fails in order to check all earth connections
and disconnect the radio interference filters before repeating the test if required.
5.5 mm socket wrench
Torque wrench
1000 volt rated general hand tools
1000-volt proof insulted rubber gloves
PPE
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