Zetor FORTERRA HSX 120 Operator's Manual page 89

SYSTEM OF ADDITIONAL TREATMENT OF EXHAUST GASES
If the serious error is not removed, the second stage of engine power and speed reduction will take place. It
is signaled to the tractor operator on the instrument panel display (1) or (2) together with an acoustic signal
and warning indicator lights. After the transition period, see Stage V table (1628/2016/EU) or 1.5 hour for Tier
4f (EPA) a smooth-start engine power reduction is triggered.
Note: The warning on the display (1) or (2) is shown according to the tractor type.
First stage of power and
speed reduction
Agent quality counter
Amount of agent
Dosage counter
Monitoring system counter
NOx emission limit value
DPF clogging
88
P18N033
Counter value Second stage of power
and speed reduction
9.5 hours + 25 Agent quality counter
minutes
9.5 hours + 25 Amount of agent
minutes
9.5 hours + 25 Dosage counter
minutes
35.5 hours + 25 Monitoring system counter
minutes
9.5 hours + 25 NOx emission limit value
minutes
15 min + 25 min DPF clogging
Counter value
19.5 hours + 25
minutes
19.5 hours + 25
minutes
19.5 hours + 25
minutes
99.5 hours + 25
minutes
19.5 hours + 25
minutes
19.5 hours + 25
minutes