Taylor THDC-954, Maintenance Manual

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1-7 1-7 THDC / THDCP - 954 / 955 / 974 (Rev. 06/03) THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
F Fa au ullt t C Co od de e - - L Liig gh ht t F Fa aiillu urre e D De es sc crriip pttiio on n F Fa aiillu urre e R Re es su ulltts s
1 15 55 5 - - R Re ed d IIn ntta ak ke e m ma an niiffo olld d tte em mp pe erra attu urre e s siig gn na al l iin nd diic ca atte es s
temperature is above 87.8 temperature is above 87.8 _ _ C (190 C (190 _ _ F). F).
Progressive power derate with increasing time Progressive power derate with increasing time
after aler
after alert. t. If Engine Protect If Engine Protection Shutdown fea- ion Shutdown fea-
ture is enabled, engi ture is enabled, engine will shut down 30 ne will shut down 30 sec- sec-
onds after red light starts flashing. onds after red light starts flashing.
1 18 87 7 - - Y Ye ellllo ow w L Lo ow w vo volltta ag ge e d de ette ec ctte ed d o on n tth he e E ECM CM v vo olltta ag ge e
supply line to some sensors (VSEN2 supply). supply line to some sensors (VSEN2 supply).
The engine wil The engine will run derate l run derated. d. No engine No engine
protection for oil pressure and coolant level. protection for oil pressure and coolant level.
2 21 11 1 - - No Non e n e A Ad dd diittiio on a n al l O OE EM M o or r V Ve eh i h ic clle e d diia g a gn no os sttiic c c co od de s e s
have been logg have been logged. ed. Check other ECM’ Check other ECM’s for s for
diagnostic codes. diagnostic codes.
None on engine performance. None on engine performance.
2 21 12 2 - - Y Ye ellllo ow w Hi Hig gh h v vo olltta ag ge e d de ette ect cte d e d a at t tth he e o oiil l tte em mp pe erra attu urre e
circuit. circuit.
No engine protection for oil temperature. No engine protection for oil temperature.
2 21 13 3 - - Y Ye ellllo ow w L Lo ow w vo volltta ag ge e d de ette ect cte ed d a at t tth e h e o oiil l tte em mp pe erra attu r u re e
circuit. circuit.
No engine protection for oil temperature. No engine protection for oil temperature.
2 21 14 4 - - R Re ed d O Oiil l tte em mp pe erra attu urre e s siig gn na al l iin nd diic ca atte es s o oiil l tte em mp pe erra a--
ture is above 123.9 ture is above 123.9
_ _
C (255 C (255
_ _
F). F).
Progressive power derate with increasing time Progressive power derate with increasing time
after aler
after alert. t. If Engine Protect If Engine Protection Shutdown fea- ion Shutdown fea-
ture is enabled, engi ture is enabled, engine will shut down 30 ne will shut down 30 sec- sec-
onds after red light starts flashing. onds after red light starts flashing.
2 21 19 9 - - B Bllu ue e L Lo ow w o oiil l lle ev ve el l w wa as s d de ette ec ctte ed d iin n tth he e C Ce en nttiin ne ell t t
makeup oil tank. makeup oil tank.
None on perfor None on performance. mance. Centin Centinel el t t is deacti- is deacti-
vated. vated.
2 22 21 1 - - Y Ye ellllo ow w Hi Hig gh h v vo olltta ag ge e d de ette ect cte d e d a t a t tth he e a am mb biie en nt t a i a ir r p prre es- s-
sure circuit. sure circuit.
Derate in power output of Derate in power output of the engine. the engine.
2 22 22 2 - - Y Ye ellllo ow w L Lo ow w vo volltta ag ge e d de ette ect cte ed d a at t tth e h e a m a mb i b ie en nt t a aiir r p prre es- s-
sure circuit. sure circuit.
Derate in power output of Derate in power output of the engine. the engine.
2 22 23 3 - - Y Ye ellllo ow w IIn nco corrrre ec ct t v vo olltta ag ge e d de ette ect cte d e d a t a t tth he e Ce Cen nttiin ne ell
t t
actuator circuit by the ECM. actuator circuit by the ECM.
None on perfor None on performance. mance. Centin Centinel el
t t
is deactiva- is deactiva-
ted. ted.
2 22 27 7 - - Y Ye ellllo ow w Hi Hig gh h v vo olltta ag ge e d de ette ect cte ed d o on n tth he e E ECM CM v vo olltta ag ge e
supply line to some sensors (VSEN2 supply). supply line to some sensors (VSEN2 supply).
The engine wil The engine will run derate l run derated. d. No engine No engine
protection for oil pressure and coolant level. protection for oil pressure and coolant level.
2 23 34 4 - - R Re ed d E En ng giin ne e s sp pe ee ed d s siig gn na al l iin nd diic ca atte es s e en ng giin ne e s sp pe ee ed d iis s
greater than 2730 rpm. greater than 2730 rpm.
Fuel shutoff valve closes until engine speed Fuel shutoff valve closes until engine speed
falls to 2184 rpm.
falls to 2184 rpm.
235 - Red 235 - Red Coolant Coolant level level signal signal indicates indicates coolant coolant level level is is
below the normal range. below the normal range.
Engine will shut down 30 seconds after red Engine will shut down 30 seconds after red
light star
light starts flashin ts flashing. g. Add coolant as require Add coolant as required. d.
23 237 7 - - Y Yel elllow ow Du Duty ty cy cycl cle e of of tthe he th thro rotttl tle e iinp nput ut si sign gnal al to to th the e pr pri- i-
mary or secondary engine for multiple unit mary or secondary engine for multiple unit
synchronization is less than 3% or more than
synchronization is less than 3% or more than
97%. 97%.
All engines All engines (primary and (primary and secondary) are secondary) are shut shut
down with increasing time after alert if hard- down with increasing time after alert if hard-
couple
coupled. d. Only second Only secondary engin ary engines are shut es are shut
down with increasing time after alert if soft- down with increasing time after alert if soft-
coupled. coupled.
2 24 41 1 - - Y Ye ellllo ow w T Th e h e EC ECM M llo ost st tth he e v ve h e hiic clle e sp spe ee ed d si sig gn na all. . En Eng giin ne e s sp e p ee ed d lliim miitte ed d tto o M Ma ax xiim mu um m E En ng i g in ne e
Speed without Vehicle Speed Sensor parame- Speed without Vehicle Speed Sensor parame-
ter value Cruise Control, Gear-Down Protec-
ter value Cruise Control, Gear-Down Protec-
tion and Road Speed Governor will not work
tion and Road Speed Governor will not work
(automotive only).
(automotive only).
24 242 2 - - Y Yel elllow ow IInv nval aliid d or or iina napp pprrop oprriiat ate e ve vehi hicl cle e sp spee eed d si sign gnal al
detected. detected. Signal indicates Signal indicates an intermittent an intermittent con- con-
nection or VSS tampering. nection or VSS tampering.
Engine speed limited to Maximum Engine Engine speed limited to Maximum Engine
Speed without Vehicle Speed Sensor parame-
Speed without Vehicle Speed Sensor parame-
ter value Cruise Control, Gear-Down Protec-
ter value Cruise Control, Gear-Down Protec-
tion and Road Speed Governor will not work
tion and Road Speed Governor will not work
(automotive only).
(automotive only).
2 24 45 5 - - Y Ye ellllo ow w L Le es ss s tth a h an n 6 6 VD VDC C d de ette ect cte d e d a at t ffa an n c cllu uttc ch h ci cirrcu cuiitt
when on. when on. Indica Indicates an excessive curre tes an excessive current draw nt draw
from the ECM or faulty ECM output circuit. from the ECM or faulty ECM output circuit.
Then fan may stay on at all times. Then fan may stay on at all times.
2 25 54 4 - - R Re ed d L Le es ss s tth ha an n 6 6 V VD DC C d de ette ec ctte ed d a at t F FS SO O c ciirrc cu uiit t w wh he en n
on. on. Indica Indicates an excessive curre tes an excessive current draw from nt draw from
the ECM or a faulty ECM output circuit. the ECM or a faulty ECM output circuit.
The ECM turns off the The ECM turns off the FSO supply voltage. FSO supply voltage.
The engine will shut down. The engine will shut down.
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