TM 1–1520–238–T–1
Change 4
4–27
4–3
DE–ICE – INTERACTIVE FD/LS CHECK (cont)
4–3
FD/LS NO–GO
DISPLAY
CORRECTIVE ACTION
TAIL ROTOR HEATER
NO–GO TAIL ROTOR
On pilot ANTI ICE panel, set
BLADE de–ice switch to
TEST.
Troubleshoot wiring to isolate
fault (TM 1-1520-238-T-8). If
troubleshooting does not
remove NO–GO, check for
faulty tail rotor blade de–ice
heater(s)
(TM 1-1520-238-T-8).
MAIN ROTOR
HEATER NO–GO
MAIN ROTOR
Troubleshoot wiring to isolate
fault (TM 1-1520-238-T-8). If
troubleshooting does not
remove NO–GO, check for
faulty main rotor blade de–ice
heater(s)
(TM 1-1520-238-T-8).
RTR BLADE DISTR
DE–ICE NO–GO MAIN
RTR MAST
Troubleshoot wiring to isolate
faul t ( TM 1-1520-238-T-8).
If troubleshooting does not
remove NO–GO, replace
main rotor power distributor
(TM 1-1520-238-23).
RTR BLADE PWR
CONTROLLER
NO–GO RH XMSN
BAY (ACY) OR
RTR BLADE PWR
CONT NO–GO RH
XMSN BAY (ACZ)
Troubleshoot wiring to isolate
fault (TM 1-1520-238-T-8). If
troubleshooting does not
remove NO–GO, replace
blades de–ice controller
(TM 1-1520-238-23).
ICE DETECTOR
CONTROLLER
NO–GO FIREWALL LH
SIDE
Troubleshoot wiring to isolate
fault (TM 1-1520-238-T-8). If
troubleshooting does not
remove NO–GO, replace ice
detector signal processor
(TM 1-1520-238-23).
ICE DETECTOR
SENSOR NO–GO ENG
INLET LH SIDE (ACY)
OR ICE DETECTOR
SENSOR NO–GO
DOGHOUSE FAIRING
(ACZ)
Troubleshoot wiring to isolate
fault (TM 1-1520-238-T-8). If
troubleshooting does not
remove NO–GO, replace ice
detector sensor
(TM 1-1520-238-23).
