6.2 Instrument Maintenance Program
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When using standard Rockwell hardness block to testing, if all the error is bigger than 2 HRC, it
may be the invalidation of impacted ball top caused by abrasion. Changing the spherical test tip or
impact object should be considered.
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When the hardness tester appears some other abnormal phenomena, please do not dismantle or
adjust any fixedly assembled parts. Fill in and present the warranty card to us. The warranty
service can be carried on.
6.3 Fault Analysis & Evacuation
Fault Appearance
Fault Analysis
Handling method
Charge failure
Battery failure
Replace the battery with
a new pack
The battery is switched off
Switch on the battery
No measured value
Impact device cable failure
Replace the cable
Failure power on
Battery exhaustion
Charge the battery
The battery is switched off
Switch on the battery
6.4 Notice of Transport and Storage Conditions
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Keep it away from vibration, strong magnetic field, corrosive medium, dumpiness and dust.
Storage in ordinary temperature.
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With original packing, transport is allowed on the third grade highway.
