Maintenance tasks on electrical may only be carried out by the following persons: -Qualified personnel -Technicians qualified to maintain SIGMA AIR MANAGER 4.0 and service personnel instructed by and under the supervisor of such a qualified technician -KAESER Service 1. Check personnel for specialized qualifications 2. Assign suitable personnel to maintenance tasks. 3. Instruct on correct maintenance procedures in accordance with the operating manual. 4. Document maintenance tasks carried out. Enter completed maintenance tasks in the corresponding lists in the operating manual.
SIGMA AIR MANAGER 4.0 features a permanently installed buffer battery. In the event of a failure you can install a second buffer battery. This additional buffer battery is switched in parallel to the factory-installed battery and assumes its function. The functionality of this second battery is not impaired by the discharged factory-installed battery. * Comply with the following instructions: -Danger from batteries WARNING! There is danger of acid burns if batteries are overheated or damaged. - Store battery in a cool and dry place. Properly dispose of discharged battery buffers. - Buffer Battery Life Under normal operating conditions, the buffer battery in SIGMA AIR MANAGER 4.0 has a life of at least 10 years. NOTICE: Data loss from discharged buffer battery - Heed warning messages from SIGMA AIR MANAGER 4.0 concerning the buffer battery charge level. - Install the additional buffer battery only when SIGMA AIR MANAGER 4.0 is switched on. In the event of voltage loss and discharge buffer battery, the internal clock is reset to the date 01.01.1970 after power has returned. * Notice the maximum storage times for unused buffer batteries. PRECONDITION You have a new buffer battery at hand (for part number and type, please see chapter 11) The SIGMA AIR MANAGER 4.0 is switched on. 1. Open the cover of the SIGMA AIR MANAGER 4.0 terminal 2. Use a slot-head screwdriver to break off the plastic cover ("Battery X2") at the rear of the SIGMA AIR MANAGER 4.0 terminal. 3. Insert the buffer battery (2) into the slot (1). The positive pole of the buffer battery points away from the terminal rear (see illustration). 4. Insert the buffer battery (2) into the slot (1) until you feel resistance. 5, Check and correct, if required, the time zone, date and time 6. Record the installation date of the buffer battery in the maintenance table in the annex of this operation manual. Discharged batteries are hazardous waste. - Dispose of discharged batteries according to national regulations and directives.
Source: Ideal Cabinetry (Community Member)