HT instruments HT7051 - Manual (Page 31)

HT2055
EN - 30
10 MAINTENANCE
CAUTION
 During use and storage, carefully observe the recommendations listed in
this manual in order to prevent possible damage or dangers during use
 Do not use the instrument in environments with high humidity levels or at
high temperatures. Do not directly expose to sunlight. Always turn off the
instrument after use. Never remove the front panel of the instrument. The
instrument don’t need any particular maintenance
10.1 REPLACEMENT AND CHARGING BATTERIES
The instrument is power-supplied through internal rechargeable batteries 6x1.2V NiMH
type AA LR03 which are recharged from the mains by means of a supplied battery
charger. The Fig. 39 – left part - shows the low battery level and the need of a recharging
operation. The symbol of recharging battery is shown in Fig. 39 – right
Fig. 39: Condition of low battery level and recharging
In case of batteries replacement follow the following steps:
CAUTION
Turn the power off and disconnect any measurement accessories or mains
supply cable connected to the instrument before opening the battery cover to
avoid electric shock
1. Remove the three screws (see Fig. 4 – Part 3) and open the battery cover
2. Replace all the batteries with others of the same type respecting the indicated polarity
3. Restore the battery cover
4. Use the appropriate battery disposal methods for your area
10.2 REPLACEMENT FUSES OF HT2055S UNIT
CAUTION
Switch off and disconnect any measurement accessories or mains supply
cable before opening the fuses compartment to avoid electric shock
1. Open the fuses compartment (see Fig. 1 – Part 1) with a screwdriver
2. Extract the red switch (see Fig. 1 – Part 2) from the fuses compartment
3. Extract the damaged fuses in the lateral sides of switch and replace them with others of
the same type (see § 11.1)
4. Restore the switch in the fuses compartment and close it
10.3 CLEANING THE INSTRUMENT
To clean the instrument, use a soft dry cloth. Never use humid cloths, solvents, water, etc.
10.4 END OF LIFE
Warning: the reported symbol indicates that the appliance, the batteries and its
accessories must be disposed of separately and treated correctly.