Linde T20 AP, Service Training

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Service Training
Section 6
Page 56
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200 Truck identification incompatible with actual state of unused digital inputs
201 Potentiometer supply voltage (8.3V) too high (> 11V)
202 Potentiometer supply voltage (8.3V) too low (< 7V)
203 Tiller ok status not set at input X1:34 (not implemented in [1])
204 Emergency signal activated (input X1:11 open)
205 Oil level too low (input X1:33 connected to GND)
207 Driving speed too high (> 18 km/h)
208 Perturbation of speed sensor signals detected (inputs X1:09 and X1:10)
209 Digital inputs (except butterfly) switched with unrealistically high frequency (> 10 Hz)
210 Analog and CAN - bus steering angle signals incompatible
211 Steering angle (PWM signal at input X1:61) out of tolerated range
(< -45° or > +45°)
212 CAN - bus steering angle signal out of tolerated range
(< -90° or > +90°)
215 Inclinometer signal out of tolerated range (< 0,5V or > 9,5V)
219 No production test
220 Analog belly signal (input X1:14) value out of tolerated range
(in trucks with belly switch: > 1V AND < 9V)
(in trucks without belly switch: < 4V or > 7V)
221 Positive supply voltage (24V) for belly switch not insured
222 Analog belly signal value (input X1:14) ok but belly switch not built in
223 Positive supply voltage (24V) applied on input X1:56 but belly switch not built-in
225 Analog butterfly signal (input X1:37) out of tolerated range
(< 0,5V or > 9,5V)
226 Analog butterfly signal (input X1:37) and digital butterfly signal (input X1:38) are in contradiction to each other
228 Redundant creep forwards signals (inputs X1:05 and X1:06) incompatible
229 Redundant creep backwards signals (inputs X1:28 and X1:56) incompatible
230 No deceleration torque when required
231 [2] Platform is enabled, but this truck has no Platform
232 [2] Creep Speed Buttons are enabled, but this truck has no Creep Speed Buttons
233 [3] Input Masthigh1 is enabled, but this truck has no Mast
240 MOS temperature signal out of tolerated range (< -50°C or > +200°C)
reasons may be: wire shortcut, wire open, sensor problem
241 MOS temperature signal too high (> +100°C AND < +200°C)
presumed MOS overheat
245 Motor temperature signal out of tolerated range (< -50°C or > +200°C) reasons may be: wire shortcut, wire open,
sensor problem
246 Motor temperature signal too high (> +170°C AND < +200°C)
presumed motor overheat
251 Safety relay transistor remains OFF whereas it is commanded to switch ON
252 Safety relay transistor remains ON whereas it is commanded to switch OFF
255 Safety relay remains OFF whereas it is commanded to switch ON reasons may be: contact oxidized or damaged
256 Safety relay remains ON whereas it is commanded to switch OFF reasons may be: contact welded or short circuit
to 24V
261 Main contactor transistor remains OFF whereas it is commanded to switch ON
262 Main contactor transistor remains ON whereas it is commanded to switch OFF
265 Main contactor remains OFF whereas it is commanded to switch ON
reasons may be: contact oxidized or damaged
266 Main contactor remains ON whereas it is commanded to switch OFF
reasons may be: contact welded or short circuit to 24V
271 Castor wheel left transistor remains OFF whereas it is commanded to switch ON
272 Castor wheel left transistor remains ON whereas it is commanded to switch OFF
281 Brake transistor remains OFF whereas it is commanded to switch ON
282 Brake transistor remains ON whereas it is commanded to switch OFF
283 No brake coil current whereas voltage applied
(applied voltage > 12V, coil current < 0,2A)
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