Helmer UltraCW, Руководство по обслуживанию

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7
360113-1
Troubleshooting
Error
message
number
Possible cause Action
67 A part in the frequency converter
circuit is faulty, resulting in an
overtemperature condition in the
motor.
1 Clear the error message: Open the lid, then
turn off the power. After about 1 minute, turn
the power back on.
2 Try the following tasks in order, testing after
each to determine if it solved the problem:
a Test the motor windings. If they are faulty,
replace the motor.
b Replace the ribbon cable between the
frequency converter and the power supply
board.
c Replace the frequency converter. For
instructions, see Section 4.7, “Replacing
the frequency converter.”
d Replace the power supply board.
68 A part in the frequency converter
circuit is faulty, resulting in an
overvoltage condition in the
frequency converter.
1 Clear the error message: Open the lid, then
turn off the power. After about 1 minute, turn
the power back on.
2 Confirm that the ambient temperature during
operation does not exceed 45 °C.
3 Try the following tasks in order, testing after
each to determine if it solved the problem:
a Replace the ribbon cable between the
control/display board and the power
supply board.
b Replace the ribbon cable between the
frequency converter and the power supply
board.
c Replace the frequency converter. For
instructions, see Section 4.7, “Replacing
the frequency converter.”
d Replace the power supply board.
69 The frequency converter is faulty.
1 Clear the error message: Open the lid, then
turn off the power. After about 1 minute, turn
the power back on.
2 Replace the frequency converter. For
instructions, see Section 4.7, “Replacing the
frequency converter.”
84 A part in the frequency converter
circuit is faulty, resulting the
frequency converter detecting excess
rotor speed.
► Try the following tasks in order, testing after
each to determine if it solved the problem:
1 Replace the ribbon cable between the
frequency converter and the power supply
board.
2 Replace the frequency converter. For
instructions, see Section 4.7, “Replacing
the frequency converter.”
3 Replace the power supply board.