Service manual

S0740 800 179/E071123/P64
-- 3 --TOCe
Rights reserved to alter specifications without notice.
SERVICE INSTRUCTIONS 42..........................................................
What is ESD? 42...................................................................
Service aid 42......................................................................
Checking the semiconductor module of 15AP1 44....................................
Checking rectifier and freewheel diodes 47..........................................
Checking the IGBT modules of AC power board 18AP2 48............................
Checking the gate signals to AC power board 18AP2 50..............................
Checking the gate pulses 53........................................................
Soft starting 54....................................................................
Mounting components on the heat sink 56...........................................
INSTRUCTIONS 58...................................................................
SAFETY 58........................................................................
INSTALLATION 58..................................................................
Lifting instructions 58..............................................................
Location 58........................................................................
Mains power supply 58.............................................................
OPERATION 59....................................................................
Connections and control devices 59.................................................
Key to symbols 59.................................................................
Turning on the power source 60....................................................
MAINTENANCE 60.................................................................
Inspection and cleaning 60.........................................................
W ater cooler, assembly instructions 61..............................................
F AULT--TRACING 62................................................................
SPARE PARTS 62....................................................................
NOTES 62...........................................................................