Amprobe TMA5 Mini-Vane-Anemometer - Manual (Page 14)

7
TROUBLE SHOOTING
1. Power on but no display
a) Make sure the time of pressing power key is > 0.2
second.
b) Check the batteries are in place with good contact
and correct polarity.
c) Replace battery or move away the battery for one
minute and re-install.
2. Display disappear
a) Replace a new battery.
b) Disable the auto power off function before power
on for long time using.
3. Error code
E02: The value is under range
E03: The value is over range
E04: The original data error results in this error
(RH, WCI, DP, WBT)
E31: Circuit or sensor damaged
4. Wind speed reading is always zero
The wind speed components or circuit is damaged.
Sent back for repair