18
3) DP and WBT
E04: Temp. or RH error.
Check temp. or RH error
solution.
4) Air velocity
E03: Velocity is over high range limit.
Try in range measurement. If
it still shows in range velocity,
recalibrate it send for repair.
5) Air volume
E03: Reading exceeds display limit.
Check if the outlet area setting
is correct.
E04: Air velocity error.
Try recalibration or send for
repair if it still can’t work.
6)CO2
E03: Temp. is over high range limit.
Put the meter in room temp.
for 10 minutes and if E03 still
shows, recalibrate it or send
for repair.
E01/E33: Voltage too low or CO2
module error.
Check if battery low icon showed
on the LCD, if yes, replace with
new batteries.
Try recalibration, or send for
repair if it still can’t work.
7) Others
E32: Memory IC error.
Turn off the meter and turn it
on again. If E32 still shows,
send to the dealer for repair.
