PG DRIVES TECHNOLOGY I-DRIVE TECHNICAL MANUAL – DIAGNOSTICS
2.8 Trip Type 8 – Possible Controller Fault
2.8.1 Possible Controller Fault
This occurs when the controller suspects an internal problem. Check the batteries, motor, connectors and wiring to the i-Drive.
If the trip is still present after these checks have been conducted, the controller may be defective.
Section 3.
2.8.2 Record Of Possible Controller Fault
‘4401’ is not actually a trip code but rather a historical record of the number of times the i-Drive has tripped with a suspected
controller fault. Each time the i-Drive trips with an error not shown in the table above, it records one instance of the code ‘4401’ in
the controller’s System Log. The actual controller trip code is also recorded in the i-Drive’s Control Log. The number of ‘4401’ trips
shown in the System Log should therefore equal the cumulative number of trip occurrences shown in the Control Log. More
information on the i-Drive’s diagnostic logs can be found in
Chapter 3, Section 12. Check the batteries, motor, connectors and
wiring to the i-Drive.
Please contact PGDT for further advice before returning a controller based solely on the presence of historical ‘4401’ trips in the
System Log.
2.9 Trip Type 9 – Solenoid Brake Trip
2.9.1 Short Circuit In Solenoid Brake
This occurs when the controller detects a short circuit in the solenoid brake. Check the solenoid brake, connectors and relevant
wiring to the i-Drive.
If the trip is still present after the brake, connectors and wiring have been checked, the controller may be defective. Refer to
Section 3.
2.9.2 Open Circuit In Solenoid Brake
This occurs when the controller detects an open circuit in the solenoid brake at start-up or in standby. Check the solenoid brake,
connectors and relevant wiring to the i-Drive.
If the trip is still present after the brake, connectors and wiring have been checked, the controller may be defective. Refer to
Section 3.
2.10 Trip Type 10 – High Battery Voltage
2.10.1 High Battery Voltage
This occurs when the controller detects that the battery voltage has exceeded approximately 35V on 24V i-Drives and
approximately 45V on 36V i-Drives. Check the condition of the batteries, connectors and relevant wiring to the i-Drive.
If the trip is still present after the batteries, connectors and wiring have been checked, the controller may be defective. Refer to
Section 3.
2.10.2 Very High Battery Voltage
This occurs when the controller detects that the battery voltage has exceeded approximately 45V on 24V i-Drives and
approximately 49.5V on 36V i-Drives. Check the condition of the batteries, connectors and relevant wiring to the i-Drive.
If the trip is still present after the batteries, connectors and wiring have been checked, the controller may be defective. Refer to
Section 3.
2.11 Programmable Setting Changed
This occurs whenever the value of a parameter is altered using a programmer. Turn the controller off and then on to reset the trip.
SK76977-07 91
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