725 – SD T-Exhaust after DPF A
ZKP-Number: 1.0202.921
Exhaust temperature sensor after DPF A signal error
Yellow alarm – warning
Cause
Corrective action
T-exhaust sensor after DPF A
faulty.
Short circuit or wire break.
1. Check sensor and wiring, replace as necessary (→ Page 189).
2. Contact Service.
726 – SD P-Delta Exhaust DPF A
ZKP-Number: 1.0203.921
P-Delta exhaust differential pressure at DPF A signal error
Yellow alarm – warning
Cause
Corrective action
T-Delta exhaust sensor DPF A
faulty.
Short circuit or wire break.
1. Check sensor and wiring, replace as necessary (→ Page 189).
2. Contact Service.
727 – AL L1 Delta T-LT Intercooler
ZKP-Number: 2.1075.901
T-max. coolant intercooler has exceeded L1
Yellow alarm – warning
Cause
Corrective action
Coolant circuit for charge air
faulty (→ Page 189).
1. Reduce power.
2. Check intercooler and coolant cooler.
3. Contact Service.
728 – AL L2 Delta T-LT Intercooler
ZKP-Number: 2.1075.903
T-max. coolant intercooler has exceeded L2
Red alarm
Cause
Corrective action
Coolant circuit for charge air
faulty.
1. Reduce power.
2. Check intercooler and coolant cooler.
3. Contact Service.
94 | Troubleshooting | MS150112/01E 2014-10
TIM-ID: 0000029153 - 005
