Checking The Dc-Link Reactor; Checking The Cooling Circuit; Maintenance; Replacing A Fan - Siemens SINAMICS GL150 Operating Instructions Manual

9.4.1.7

Checking the DC-link reactor

● Remove any dust deposits.
● If there are leaks at the screw positions, retighten the cable entries. If there are still leaks,
● If the DC link reactor becomes too hot at any particular location, then the color will change
9.4.1.8

Checking the cooling circuit

● Check the entire cooling circuit for leaks. If you find a leak in a pipe coupling, tighten the nut
● Compare the measured conductivity value with the permissible conductivity value for the
● Check the water level in the compensating chamber of the deionized water circuit. If the
9.5

Maintenance

9.5.1

Replacing a fan

Injury caused by rotating fan
If the converter is equipped with a temperature-controlled fan, the fan can run on even if the
power section is switched off. You can be injured if you touch the fan.
● Wait until the fan has shut down.
9.5.2

Replacing the back-up battery of the AOP30 operator panel

Table 9-1
Type
Manufacturer
Nominal capacity
Maximum permissible charging current
Self-discharge at 20° C
SINAMICS GL150 6SL38555UN113KA0Z
Operating Instructions Rev.201910281450 EXAMPLE
replace the O-rings.
at this location. Identify the cause of the overheating. If necessary, get in touch with your
Siemens contact.
by a ¼ turn
system (≤ 0.6 µS/cm). You must replace the ion exchanger if this value is close to 1 µS / cm.
level is too low, add some more water. If the level is too high, drain some water until the level
is correct.
CAUTION
Technical specifications of the backup battery
CR2032 3V lithium battery
Maxell, Sony, Panasonic
220 mAh
10 mA, limited to < 2 mA in the operator panel
1%/year
Maintenance
9.5 Maintenance
129