Specifications

Figure 21. BDI/Hourmeter
LED Fault Codes
The Curtis 1297 controller has a Status LED built into it and can be seen through a window in the label
on top of the controller. This Status LED displays fault codes. During normal operation, with no faults
present, the Status LED flashes steadily on and off like a heartbeat. If the controller detects a fault, a
two-digit fault identification code is flashed until the fault is corrected. For example, code "3,2" (Main
Contactor Welded) appears as: 3 flashes, short pause, 2 flashes, long pause; repeat.
NOTE: Only one fault is recognized and indicated at a time by the Status LED. Multiple faults may be
read using the programmer handset. See 1307 Programmer Handset.
The 3 most common Status LED messages are shown in Table 7.
Table 7. Status LED Fault Codes
LED Codes Description
LED
Off
No power or
defective
controller
Solid
On
Controller or
microprocessor
fault
0,1 Controller
operational; no
known faults
Fault codes 11, 13, 23, 32, 34, or 42 may intermittently appear during truck use. These signals may be
sent as a result of power loss to the 1297 controller from the battery. Turning the key switch OFF and
then ON again will usually clear these fault codes. If the codes remain after cycling the key switch, the
lift truck must be serviced.
If these intermittent faults continually appear, perform the following checks:
• Check for loose cable connections at the battery cable connectors.
• Check for loose wiring and wire connectors at the controller.
• Check for loose cable connections at the battery.
• Check battery cells for proper voltage and state of charge.
If a loose wire or connection if found, make the necessary repairs before returning the truck to service.
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