Service Manual
MDE 252 Rev. 1 December 2021
Troubleshooting 19
Section 2: Troubleshooting
2.2.16 Alarm on Local Display: Low Lithium Battery
The voltage of the lithium battery is too low (only detected if the battery is present and
the relevant parameter of the miscellaneous routine is set to "present"). The electrical
commands to move the valve are available. It needs to change the 9V Lithium battery
(see instruction below to change battery on VCIOM-08500).
2.2.17 Alarm on Local Display: Conguration OBJ n°
CONFIGURATION OBJ n°
1. The checksum of the EEPROM memory that contains the actuator conguration data is wrong.
2. Any electrical command to move the valve is cleared.
3. The ref. number OBJ n° reports the parameter that is wrong.
Enter in SET-UP mode gactuator set-up g
torque set-up gopening torque increase or
descrease the set value of 1%. gpush YES to
conrm and exit from the SET-UP mode.
The alarm disappears and then restore
the original torque value with the
same procedure.
Enter the "restricted menu" with the service
password and set the new value of the
incorrect parameter listed in the OBJ ref. list
(at Service level only).
Is OBJ n° 9999?
NO
YES