Danfoss VLT HVAC FC 100, Service Manual, Page: 72 / 220

WARNING/ALARM 35, Out of frequency range:
This warning is active if the output frequency has reached the high limit (set in parameter 4-53)
or low limit (set in parameter 4-52). In
Process Control, Closed-loop
, par. 1-00
Configuration
Mode , this warning is displayed.
WARNING/ALARM 36, Mains failure
This warning/alarm is only active if the supply voltage to the adjustable frequency drive is lost
and par. 14-10
Line Failure
is NOT set to OFF. Check the fuses to the adjustable frequency drive
ALARM 38, Internal fault
It may be necessary to contact your Danfoss supplier. Some typical alarm messages:
0 Serial port cannot be initialized. Serious
hardware failure
256-258 Power EEPROM data is defective or too old
512 Control board EEPROM data is defective or
too old
513 Communication time out reading EEPROM
data
514 Communication time out reading EEPROM
data
515 Application Orientated Control cannot rec-
ognize the EEPROM data
516 Cannot write to the EEPROM because a
write command is on progress
517 Write command is under timeout
518 Failure in the EEPROM
519 Missing or invalid Barcode data in EEPROM
783 Parameter value outside of min/max limits
1024-12
79
A CAN message that must be sent, couldn't
be sent
1281 Digital Signal Processor flash timeout
1282 Power micro software version mismatch
1283 Power EEPROM data version mismatch
1284 Cannot read Digital Signal Processor soft-
ware version
1299 Option SW in slot A is too old
1300 Option SW in slot B is too old
1301 Option SW in slot C0 is too old
1302 Option SW in slot C1 is too old
1315 Option SW in slot A is not supported (not
allowed)
1316 Option SW in slot B is not supported (not
allowed)
1317 Option SW in slot C0 is not supported (not
allowed)
1318 Option SW in slot C1 is not supported (not
allowed)
1379 Option A did not respond when calculating
Platform Version.
1380 Option B did not respond when calculating
Platform Version.
1381 Option C0 did not respond when calculating
Platform Version.
1382 Option C1 did not respond when calculating
Platform Version.
1536 An exception in the Application Orientated
Control is registered. Debug information
written in LCP
1792 DSP watchdog is active. Debugging of
power part data Motor Orientated Control
data not transferred correctly
2049 Power data restarted
2064-207
2
H081x: option in slot x has restarted
2080-208
8
H082x: option in slot x has issued a pow-
er-up wait
2096-210
4
H083x: option in slot x has issued a legal
power-up wait
2304 Could not read any data from power EE-
PROM
2305 Missing SW version from power unit
2314 Missing power unit data from power unit
2315 Missing SW version from power unit
2316 Missing io_statepage from power unit
2324 The power card configuration is deter-
mined to be incorrect at power-up
2325 A power card has stopped communicating
while main power is applied
2326 The power card configuration is deter-
mined to be incorrect after the power
card register delay.
2327 Too many power card locations have
been registered as present.
2330 Power size information between the pow-
er cards does not match.
2561 No communication from DSP to ATACD
2562 No communication from ATACD to DSP
(state running)
2816 Stack overflow of control board module
2817 Scheduler slow tasks
2818 Fast tasks
2819 Parameter thread
2820 LCP Stack overflow
2821 Serial port overflow
2822 USB port overflow
2836 cfListMempool to small
3072-512
2
Parameter value is outside its limits
5123 Option in slot A: Hardware incompatible
with control board hardware
5124 Option in slot B: Hardware incompatible
with control board hardware
5125 Option in slot C0: Hardware incompatible
with control board hardware
5126 Option in slot C1: Hardware incompatible
with control board hardware
5376-623
1
Out of memory
ALARM 39, Heatsink sensor
No feedback from the heatsink temperature sensor.
The signal from the IGBT thermal sensor is not available on the power card. The problem could
be on the power card, on the gate drive card, or the ribbon cable between the power card and
gate drive card.
High Power Service Manual for VLT
®
FC Series
Adjustable Frequency Drives 4 Troubleshooting
MG.90.L1.22 - VLT ® is a registered Danfoss trademark
4-15
4