Dräger QuadGard - Dräger Safety - #9

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QuadGard Installation and Operating Manual. Issue 5. January 1996Page5 Master Fault LED MF The Master Fault LED indicates that a loop fault has occurred on one or more channels. When the master fault alarm is tripped, the master fault LED will flash. When the master fault alarm is acknowledged the LED will stop flashing and remain steadily lit. When themaster fault alarm is reset the LED will go out. Power LED The Power LED remains steadily lit when the system is operating normally.If the Power LED flashes, a system fault has occurred (See Appendix 1.) Inhibit LED The Inhibit LED lights to indicate that some or all alarm relays are inhibited. All channeland alarm relays are inhibited when the card is put into command mode. The appropriate channel relays are inhibited when a loop fault occurs on a channel.The Inhibit LED blinks to indicate that one or more alarm relays have been disabled. Seesection2.3.7. R (Reset) The Reset button has three functions: • To acknowledge a channel or master alarm • To reset a channel or master alarm relay • To enter command modeHolding the Reset button down for five seconds puts the card into command mode, givingaccess to the configuration commands and inhibiting all channel and master alarm relays. and When the card is in normal operation (i.e. not in command mode) and is configured todisplay all channel measurements simultaneously:Press to display the name of the gases being measuredPress to display the units of measurementPress and together to display the measurement ranges. and When the card is in normal operation (i.e. not in command mode) and is configured todisplay all channel measurements simultaneously:Press to display the alarm 1 trip levelsPress to display the alarm 2 trip levels. and When the card is in normal operation (i.e. not in command mode) and is configured todisplay one channel at a time:Press to display the alarm 1 trip levelsPress to display the alarm 2 trip levels. and When the card is in normal operation (i.e. not in command mode) and is configured todisplay one channel at a time:Press to display the previous channelPress to display the next channelPress and together to hold the current channel, or to release hold.