
MAINTENANCE
Troubleshooting
162
STO
(76)
STO
Safety Torque Off function active
Action and Reset
Action level
Hardware detection
Action time
Immediately
Reset method
Auto
When
[PROT-36]
= 1 and after STO error is cleared
Manually
When
[PROT-36]
= 0 and after STO error is cleared
Reset condition
Reset only after STO error is cleared
Recorded
Yes
Possible Causes
Corrective Action
• The switch action of STO1/SCM1 and
STO2/SCM2 (OPEN)
• Poor connection of the IO card
• The IO card does not match the
version of the control board
• Reset the switch (ON) and cycle the power
• Check if the PIN of IO card is broken.
• Check if the IO card connects to the control board correctly, and if the screws are tightened well.
• For incorrect version, contact Technical Support.
Fault Display
Description
tH1o
(18) Thermo 1 open
tH2o
(19) Thermo 2 open
IGBT hardware failure in temperature detection
Hardware failure in capacitor temperature detection
Action and Reset
Action level
NTC broken or wiring failure
Action time
When the IGBT temperature is higher than the protection level and detection time exceeds 100 ms
Reset method
Manually
Reset condition
Immediately
Recorded
Yes
Possible Causes
Corrective Action
• Hardware failure
• Wait for 10 minutes, and then cycle the power. If fault still exists, call Technical Support
Fault Display
Description
TPAI
(182)
Trip by AI
Analog Input or PID Feedback has exceeded threshold
Action and Reset
Action level
Trigger Source [ADV2-63]
reach threshold set by
[ADV2-64]
through
[ADV2-66]
Action time
Immediately
Related parameters
[ADV2-62]
through
[ADV2-66]
Reset method
Manually once trigger source reaches acceptable level
Reset condition
For
Trigger Type [ADV2-64]
=
0_Lower
, trigger source has to decrease to
[ADV2-65]
minus
[ADV2-66]
.
For
Trigger Type [ADV2-64]
=
1_Higher
, trigger source has to increase to
[ADV2-65]
plus
[ADV2-66]
.
Recorded
Yes
Possible Causes
Corrective Action
• Trigger source has reached threshold
• Nuisance tripping
• Fault reset too quickly
• Fault does not reset
• Cannot adjust settings to correct
value
• Adjust trigger source to acceptable value.
• Increase the filter time on analog input signal with
[IO-04]
,
[IO-09]
, or
[IO-10]
. Increase the
Trigger Hysteresis [ADV2-66]
.
• Increase the
Trigger Hysteresis [ADV2-66]
.
• Check settings
[ADV2-62]
through
[ADV2-66]
.
• If using Trigger Source
[ADV2-63]
=
0_FIB F/B
(PID Feedback), compare
Trigger Level [ADV2-65]
to PID
Setpoint to make sure operation is as intended. If using
Trigger Source [ADV2-63]
=
1_Aux AI
, check Aux AI
setup with parameters
[ADV2-58]
through
[ADV2-61]
.
Fault Display
Description
Summary of Contents for CERUS X-DRIVE CXD-003A-4V
Page 2: ......
Page 3: ...CERUS X DRIVE INSTALLATION AND OPERATION MANUAL Firmware Version 1 2 Franklin Electric Co Inc ...
Page 96: ...OPERATION Protection Features 96 ...
Page 112: ...ADVANCED APPLICATION OPTIONS Multi Drive Configurations 112 ...
Page 124: ...COMMUNICATIONS BACnet Communication 124 ...
Page 128: ...ACCESSORIES Optional Extension Cards 128 Frame D Frame E Frame F ...
Page 129: ...ACCESSORIES Optional Extension Cards 129 Frame G Frame H ...
Page 132: ...ACCESSORIES Optional Extension Cards 132 ...
Page 234: ...PARAMETER REFERENCE TABLES Parameter Descriptions Motor Menu 234 ...
Page 250: ...GLOSSARY 250 ...