Trouble-shooting
Error message | Situation | Solution |
|
|
|
| No lens filter is attached. | Attach new, clean lens filter. |
| ||
|
|
|
|
|
|
|
| The thermometer cannot identify | IRT 4020: Clear the display by |
|
| a secure position of the probe. | pushing the «start» button once. |
|
| An accurate measurement was | IRT 4520: Clear the display by |
|
| not possible. | pushing the «I/O» button once. |
|
| POS = position error | Take care that the positioning of |
|
| the probe is correct and remains | |
| |||
|
|
| stable. |
|
|
|
|
|
| Ambient temperature is not within | Allow the thermometer to remain |
|
| ||
|
| the allowed operating range | in a room for 30 minutes where |
|
| (10 – 40 °C or 50 – 104 °F). | the temperature is between |
|
|
| 10 and 40 °C or 50 and 104 °F. |
|
|
|
|
|
|
|
|
|
| Temperature taken is not within | Make sure a new, clean lens filter |
|
| ||
|
| typical human temperature range | is attached and thermometer is |
|
| (34 – 42.2 °C or | properly inserted. Then, take a |
|
| HI = too high | new temperature. |
|
|
|
LO = too low
|
|
| System error – | Wait 1 minute until the thermo- |
|
|
| flashes continuously and will not | meter turns off automatically, then |
|
|
| ||
|
|
| be followed by the ready beep | turn on again. |
|
|
| ||
|
|
| and the ready symbol. |
|
|
|
| If error persists, | ... reset the thermometer by re- |
|
|
|
| moving the batteries and putting |
|
|
|
| them back in. |
|
|
| If error still persists, | … have the thermometer checked |
|
|
|
| at a Braun Customer Service |
|
|
|
| Center. |
|
|
|
|
|
10
