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E. Errors when PURGING
i. Pressing the dispenser button but unable to purge
Possible causes:
• Dispenser button on probe pen is faulty or damaged
• Motor inside the probe pen is not functioning well
Suggested solutions:
• Make sure probe pen and tester unit are connected
properly
• Ensure the connector wire is plugged in the correct
direction, following the guidance arrows on both the
tester unit and the probe pen