ERROR/WARNING MESSAGES
E: ILLEGAL I.D.
The value entered for
Pipe ID
must be greater than 0.5 inches (1.26 cm)
and less than 180 inches (457.3 cm).
E: ILLEGAL MaxF
The value entered for
MaxF
(maximum flow) is too low or too high.
Maximum flow value must compute (using pipe ID) a velocity greater than
0.25 ft/sec (0.076 m/sec) or less than 40.0 ft/sec (12.2 m/sec). Refer to
Appendix B - Conversion Tables to convert from volume to velocity units.
FUSE REPLACEMENT
1. Turn OFF power
2. Loosen 2 Phillips corner screws and remove power module from the chassis.
3. Locate fuse on Power Board
4. Replace fuse with 2 Amp/250V, 5 x 20mm fuse
5. Reinstall power module in the chassis.
POWER MODULE
DFM-IV Doppler Flow Meter
Manual Series A.6
Page 18
