Troubleshooting
10
30
Message / Symptom Possible causes Solution
Device appears to be Lead wire connection. Check connectors are fully pushed home.
operating but no
output. TSE/IC Switch. Check switch is fully over to correct side.
Mode with no sensation. This is normal, it is common not to feel
any sensation with pulse widths less than
about 4µS.
Batteries do not Old or damaged Fit new batteries.
retain charge or batteries.
battery meter goes
straight from full to
empty.
Power bar flashing. The device is operating This is sometimes caused by electrodes
at its current limit. being close together. Otherwise there is
no action required. The current limit
is a safety feature that ensures that
excess current does not flow even if the
skin resistance is low.
Device inserted in Very low battery. Leave overnight on charger cradle,
charger cradle but batteries should slow charge.
not fast charging.
Mains not connected. Check power socket.
Batteries too hot. Allow device to cool (batteries must be
less than 40C to fast charge).
Batteries already charged. No action required.
Device is operating. Batteries will only charge in cradle when
device is switched off.
“INVALID” message in Waveforms above 50kHz Use burst mode or reduce frequency to
Advanced mode when only supported in burst 20kHz or lower.
frequency more than modes due to power
50kHz. output safety limits.
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