79
7 Maintainence
7.1. Changing the rechargeable battery
Control unit
The rech. batt. pack can only be changed by the testo
service.
Analyzer box
✓ The analyzer box must not be connected to a power socket.
✓ The analyzer box must be switched off.
1. Open the cover of the service compartment (locking clip) on the
back of the analyzer box.
2. Take the rech. batt. pack out of the battery compartment and
loosen the plug connection from the slot.
Use only testo rech. batt. pack 0515 0039. When inserting
the rech. batt. pack, make sure that the leads do not get
kinked or squeezed.
3. Connect the connector of the new rech. batt. pack to the slot
and lay the rech. batt. pack into the battery compartment.
4. Close the service compartment cover. Do not use silicone
cleaners.
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