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Ecowatt
Drive K320 series
®
7.1 What this chapter contains
The chapter instructs you how to reset faults and check faults history. A complete list of
alarms and fault information as well as possible causes and corrective measures are
presented in this chapter.
Only trained and qualified professionals are allowed to carry out the work
described in this chapter. Operations should be carried out according to the
instructions presented in Safety precautions.
7.2 Indications of alarms and faults
The fault is indicated by indicators (see "Operating the VFD by keypad"). When TRIP indicator
is on, the alarm or fault code displayed in the keypad indicates the VFD is in exception state.
This chapter covers most of the alarms and faults, and their possible causes and corrective
measures, if users cannot figure out the alarm or fault causes, contact local Kruger office.
7.3 Fault reset
You can reset the VFD through the STOP/RST key on the keypad, digital inputs, or by cutting
off the VFD power. After faults are removed, the motor can be start again.
7.4 Fault history
P07.27–P07.32 record the six latest fault types; P07.33–P07.40, P07.41–P07.48, and
P07.49–P07.56 record the running data of the VFD when the latest three faults occurred.
7.5 VFD faults and solutions
When a fault occurred, handle the fault as follows.
1. When a VFD fault occurred, confirm whether keypad display is improper? If yes, contact
Kruger;
2. If keypad works properly, check the function codes in P07 group to confirm the
corresponding fault record parameters, and determine the real state when current fault
occurred through parameters;
3. Check the table below to see whether corresponding exception states exist based on the
corresponding corrective measures;
4. Rule out the faults or ask for help from professionals;
5. After confirming faults are removed, reset the fault and start running.
7 Troubleshooting
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Troubleshooting
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