BINDER CB 60 - Manual (Page 122)

CB (E6) 09/2013 Page 122/144
21. Troubleshooting
Only qualified service personnel authorized by BINDER must perform repair.
Repaired units must comply with the BINDER quality standards.
21.1 Heating
Fault description / indication Possible cause Required measures
Excess temperature. Having
reached the setpoint, the
temperature exceeds the
setpoint by more than the set
tolerance range value (more
than 10 min.).
Site of installation too warm.
Difference between the set
temperature and the ambient
temperature too low.
Confirm the alarm (chap. 11.4).
Difference between the set
temperature and the ambient
temperature must be at least 7 °C /
12.6 °F.
Alarm message
“Temp. range”
Excess temperature.
Chamber heating permanently,
exceeding the setpoint. Temporary disturbance of the
temperature control.
Confirm the alarm (chap. 11.4). Turn
off the chamber. Open the chamber
doors for approx.. 5 minutes and turn
on the chamber again. Confirm the
alarm (chap. 11.4). Upon renewed
alarm, contact BINDER service.
Notification
“Heating active”.
Alarm message
“Temp. range”
Controller defective. Confirm the alarm (chap. 11.4).
Contact BINDER service. Semiconductor relay defective
Temperature controller not
adjusted.
Confirm the alarm (chap. 11.4).
Calibrate and adjust the temperature
controller.
Excess temperature.
Overtemperature safety
controller class 3.1 responds.
Safety controller setpoint value
exceeded.
Confirm the alarm (chap. 11.4).
Check setting of temperature setpoint
and of the safety controller class 3.1
setpoint. If appropriate, select
suitable value.
Alarm message
“Safety controller”
Too much external heat load.
Confirm the alarm (chap. 11.4).
Reduce heat load.
Controller defective.
Confirm the alarm (chap. 11.4).
Contact BINDER service.
Semiconductor relay defective
Safety controller defective.
Too low temperature.
Setpoint temperature is not
reached after specified time.
Unit door not properly closed. Completely close unit door.
Semiconductor relay defective. Contact BINDER service
Notification
“Heating active”.
Door gasket defective. Replace door gasket.
Temperature controller not
adjusted.
Calibrate and adjust the temperature
controller.