MA-006- Minitrans Operator Guide - Rev 2.2
5-Mar-20
Page 10 of 26
5
POWER
5.1
Introduction
The product is powered up by pressing the Power switch located inside the product
towards the bottom right-hand side (see Figure 5-1). The mains fuse holder for the
product is shown in Figure 5-2.
Note:
The product automatically turns on the internal heaters to increase the internal
temperature to within the PGA operational temperature range before a
measurement can commence.
Figure 5-1: Power switch
Figure 5-2: Fuse holder
5.2
LED status indicators
The product has two relays
—
a service relay and a caution and alarm relay
—
and two
corresponding external sunlight-visible red and green LEDs on the front door. When the
product is connected to the mains power and is powered on, the green LED illuminates
continuously.
Each LED has three states
–
Off (-), On or Flashing, the meaning of which is
defined in Table 5-1.
Table 5-1: External LED status indicators
Mode
Alarm (red) LED
Power (green) LED
Power Off
-
-
Normal
-
On
Alarm
On
On
Caution
Flashing
On
Service
-
Flashing
▪
Relay 1 notifies the user of a service error.
The green LED flashes if internal error checking detects an error condition. If after the
next measurement run, no error conditions exist, the green LED resumes continuous
illumination.
Fuse holder for
mains input power
