Danfoss Turbocor TTS Series

272 of 282 M-SV-001-EN Rev. G
Figure B-21 Compressor Operation Troubleshooting Flowchart (Sheet 2)
E
H
F
G
B C
RefertoSection4.5
“Voltage
Troubleshooting”
AreI/Ocableand
BMCCboardsecurely
connected?
Yes NoNo
IsDCBusvoltageis
withinspec
No
Disconnectpower,
secure
component(s)
RefertoSection
4.26.2“BMCC
Verification”
Yes
No
A
Closeinterlock
circuit
Is
thereademand%
displayed?
Yes
No
Restoredemand
inputtothe
compressor
Has
theIGVreset?
No
Yes
WaituntilIGVreset
IsInverterTemp
belowMaximumStart
Temp?
No
Yes
RefertoSection
5.5.4
“Troubleshooting
theInverter”
HaveallStartDelay
Timershaveexpired?
No
Yes
A
Yes
WaituntilallStart
DelayTimershave
expired
No
End
RefertoSection5.0
“Troubleshooting”
Yes
No
Can
faultberesetby
cyclingthepower?
No
Yes
End
RefertoSection
4.14.2“SoftStart
Verification”
RefertoSection
4.23.2“DC‐DC
Verification”
Yes
A
A
D
NotetheIGVsettings