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DIAGNOSTICS

Vertical Express Product Manual

3-41

88500 v.1.0

Diagnostics Section

Control System Fault Codes

This manual shows only the parameters that have an operational relevance to the ICON32. The UIT may have
additional parameters available, which should not effect the controller operation.

1535

FPGA detected invalid drive state - While on hoistway access
or inspection with no inspection Up/Down button active, or
while on door bypass with no controller/machine room
inspection Up/Down button active, the valve has been
detected as energized - The safety string opens, stopping all
car motion.

• Use the CLR FLT button to reset.
• Cycle operation to inspection and back to automatic. This

fault indicates a timing issue with hardware on the IOF Card.
Check all connections and verify no added relays to sole-
noid outputs. Should this continue to happen, replace the
IOF Card.

1536

FPGA detected invalid door bypass - The car door bypass or
hoistway door bypass monitor inputs have been detected as
active when door bypass switches are off, or internal hoist-
way access bypass terms are active when the hoistway
access switches are off - The safety string opens, stopping
all car motion.

• Use the TFR Command to reset.
• Cycle operation to inspection and back to automatic. This

fault indicates a timing issue with hardware on the IOF Card.
Check all connections and verify no added relays to sole-
noid outputs. Should this continue to happen, replace the
IOF Card.

1537

FPGA detected invalid door zone bypass - Internal door zone
bypass terms have been detected as active when the car is
not in the door zone - The safety string opens, stopping all
car motion.

• Use the TFR Command to reset.
• Cycle operation to inspection and back to automatic. This

fault indicates a timing issue with hardware on the IOF Card.
Check all connections and verify no added relays to sole-
noid outputs. Should this continue to happen, replace the
IOF Card.

1538

FPGA detected programming jumpers active - When IOF Card
jumpers JP2 or JP3 are placed in the 1-2 position to allow
CPU programming of the FPGA's, this fault registers and the
safety string opens.

• Remove the jumpers to restore operation.
• Cycle operation to inspection and back to automatic. This

fault indicates a timing issue with hardware on the IOF Card.
Check all connections and verify no added relays to sole-
noid outputs. Should this continue to happen, replace the
IOF Card.

1539

Safety processor system detected ambient temperature out
of range - The ambient temperature sensor on the IOx has
reported the controller temperature to be outside the accept-
able range for continued operation (5°F to 167°F, or -15 °C to
75 °C). The safety string opens, stopping all car motion.

• Resets when the detected temperature returns to the

acceptable range.

1540

FPGA has opened the safety string via the SAFCPU output.

• Check other existing associated fault codes.

1541

Motor starter monitor fault - The IO for starter control has
been detected in an invalid state. Either MCC1/MCC1M or
MCC2/MCC2M are in unequal states.

• Use the TFR Command to reset.
• Cycle operation to inspection and back to automatic.

1685

Invalid CN version.

• Update CN software or replace the CN Card.

1687

CN No Poll Response - The inputs are cleared.

Possible Cause:
• CN/HN has a safety critical I/O, and it did not respond to the

controller’s request. All I/Os on that node are cleared.

Possible Solution:
• Check power and communication to that node.

1689

Maximum Safety Nodes Exceeded - The car was shutdown.

Possible Cause:
• The job configuration has too many CN ports with safety I/