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Sevcon Gen4 User Manual

Sevcon Gen4
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Doc. # 177/52701
Rev3
2-12
Fault detection and handling
There are five categories of faults as described in Table 1. For a detailed list of faults see Table 7
on page 7-10.
Fault severity
Controller latched off
until
Consequences
Return to base
(RTB)
Cleared by Sevcon
personnel
Immediate shut down of the system with the
exception of the power steering if needed. Power
is removed to nearly all external components.
Very severe (VS)
Cleared by authorized
service personnel
Immediate shut down of the system with the
exception of the power steering if needed. Power
is removed to nearly all external components.
Severe (S)
Keyswitch recycled
(turned off then on)
Immediate shut down of the system with the
exception of the power steering if needed. Power
is removed to nearly all external components.
Drive-inhibit (DI)
User deselects all
drive switches before
reselecting
Neutral brakes or coasts the traction motor(s) to a
stop. The fault prevents the operator initiating
drive, but does not inhibit braking function, in
particular, controlled roll-off braking.
Information (I)
Not latched
Information faults do not require immediate
action, although some cutback of power or speed
may occur.
Table 1 Fault categories

Table of Contents

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Sevcon Gen4 Specifications

General IconGeneral
BrandSevcon
ModelGen4
CategoryController
LanguageEnglish

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