Hofmann geodyna 7600, Service Manual

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E300 Check availability of keyboard
Code C28
Complaint
Turning the machine on the screen shows E300. It is not possible to access to any
screen information.
Root cause
The balancers devices, such Optoencoder, Keypad, communicate each other through
the communication bus I2C.
If one or more devices will not work or communicate, the communication bus I2C
detects a problem showing E300.
Service Code
Actions to do
Check stop cable
Check optoencoder main shaft and the cable
Defective IBP box.
E341 Check sum of EEPROM 2 is wrong
Code C28
Complaint Turning the machine on the display shows E341.
Root cause Contents of EEprom 2, optoencoder, is different because defective or replacement
Service Code C47, C85
Actions to do
Make sure about the proper communication with C74.
Check the fl at cable from Optoencoder.
Make sure that the there si not fl uctution of power supply during balancer booting
Perform the C85 if Optoencoder has been replaced
E500 Laser kit failure
Code C28
Complaint Turning the machine on, the display shows E500
Root cause
Incorrect set up of the balancer.
Laser kit disconnected.
Defective Laser kit.
Weight laser board not supplyed
Defective weight laser board
Service Code C120, C123, C122, C90; C85, C80, C81, C82, C115, C84, C88, C122
Actions to do
Check the balancer set up.
Check laser pointer cables and connectors.
Check the IBP board cables and connectors
Replace the Laser kit
Replace the IBP box.
E502 Laser Kit Motor Power Supply Fault
Code C28
Complaint Turning the machine on, the display shows E502
Root cause
No power supply to the laser motor.
Cable from IBP board to Laser motor is disconnected, missing or damaged.
Defective Laser kit.
Service Code C122, C123, C90
Actions to do
Check the proper fi tting of the laser motor cable.
Check and replace the laser kit: adjust with C123 and calibrate with C122
SM HOF GEODYNA 7600 Rel.D