Mts Isolation Service Manifold Controller Manual do Utilizador descarregar pdf (Página 19)

LED A/B Indicators

Isolation Service Manifold Controller Hardware Overview

2 flashes repeating Two flashes repeating can indicate:

• Isolation valve position Fault. Cause: ISM isolation valve position state

does not match the ISM isolation valve command state.

• Opens up J1 interlock out relays for 1 second and latches ISM control in an

interlock state.

Important Interlock relay must be wired to HSM controller interlock input to

signal the interlock to shut off the HSM controller outputs.

• Reset by an “off” to “on” transition of the HSM low output from an HSM

controller or by pressing the corresponding ISM controller “Fault Reset”

button. If the fault comes back after resetting, there is something wrong with

the isolation valve control/valve position monitoring, external to the ISM

controller.

3 flashes repeating Three flashes repeating can indicate:

• Pilot Pressure “pressure” Fault. Cause: Pilot pressure state does not match

the pilot pressure valve command state.

• Opens up J1 interlock out relays for 1 second and latches ISM control in an

interlock state.

Important Interlock relay must be wired to HSM controller interlock input to

signal the interlock to shut off the HSM controller outputs.

• Reset by an “off” to “on” transition of the HSM low output from an HSM

controller or by pressing the corresponding ISM controller channel “Fault

Reset” button. If the fault comes back after resetting, there is something

wrong with the pilot pressure valve control/pressure monitoring, external to

the ISM controller.

4 flashes repeating Four flashes repeating can indicate:

• Pilot pressure valve position Fault. Cause: pilot pressure valve position state

does not match the pilot pressure valve command state.

• Opens up J1 interlock out relays for 1 second and latches ISM control in an

interlock state.

Important Interlock relay must be wired to HSM controller interlock input to

signal the interlock to shut off the HSM controller outputs.

• Reset by an “off” to “on” transition of the HSM low output from an HSM

controller or by pressing the corresponding ISM controller channel “Fault

Reset” button. If the fault comes back after resetting, there is something

wrong with the pilot pressure valve control/valve position monitoring,

external to the ISM controller.

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Mts Isolation Service Manifold Controller Manual do Utilizador Página 19