1SERVICE INSTRUCTIONS FOR THE STAFFFORFIRE CONTROL PANEL IFS70021. . Indications and buttons of IFS70021 2 3 4 5 6 7 81 Common indicator for fire condition2 Common indicator for fault condition3 Indicator for System error4 Indicator for Fault in power supply5 Indicator for Disabled component6 Test indicator7 Indicator for Power supply8 LCD touch-panel displayFig.12. Duty modeWhen the control panel is in this condition, only the green LED indicator (Power supply)is illuminated. The local sounder is switched off.The logo of the company-producer, information for the current local time and the mode ofoperation (DAY or NIGHT) are shown on the panel’s display.3. Actions of the staff on duty when a signal for fault condition is released:Light indications for various types of faults are shown on Fig. 1. Upon any registered faultcondition the sounder of the fire control panel releases discontinuous signal .To stop the sound signaling press button (Stop Alarm). The button appears on thedisplay when the control panel is in fault condition and will disappear when pressed or when thesound signaling is interrupted (eliminated fault conditions).In case indicators and are illuminated, check the voltage 220 V at the powerpanel, supplying the control panel. When the power supply is restored, the light indications forfault condition extinguish.