Section 7
21
The use of tubes or dishes
7
SECTION 7 - TROUBLESHOOTING
Symptom
Cause
Action
Temperature alarm is on.
Temperature more than ±0.5°C
from set temperature.
Check the set temperature. Wait
for the temperature to stabilize.
No heating.
Set-point below ambient.
Change set-point (e.g. 37°C).
Display remains off when
“HEAT” key is activated.
No mains supply.
Plug in the power connector.
Power connector, not connected.
Reconnect power connector.
Defective “HEAT” key.
Replace the keyboard.