Theben RAMSES 812 top2
Thermostaat · 18 Probleemoplossingen
Probleemoplossing - Theben RAMSES 812 top2
Veelvoorkomende problemen en oplossingen - ook zonder foutcode op het display.
Overige problemen 12
| Probleem | Oorzaak | Oplossing |
|---|---|---|
| Keys do not respond to presses | Key lock is enabled | 1. Press the INFO key for longer than 3 seconds 2. Confirm KEY LOCK with OK 3. Select NO KEY LOCK 4. Confirm selection with OK |
| Key lock must be temporarily disabled for programming | Key lock is active and must be disabled for maintenance/programming | 1. Press the INFO key for longer than 3 seconds 2. Make the desired changes 3. Return to standard mode; key lock will automatically become active again |
Onderhoud & Verzorging 1
| Probleem | Oorzaak | Oplossing |
|---|---|---|
| All settings are incorrect and must be reset | The controller needs incorrect settings reset | 1. Confirm FACTORY SETTINGS with OK 2. CONFIRM now appears 3. Confirm with OK to reset all settings to factory defaults |
Prestaties & Werking 3
| Probleem | Oorzaak | Oplossing |
|---|---|---|
| Display contrast is poorly readable | The display contrast is not optimally set | 1. Confirm CONTRAST with OK 2. Use the + or – keys or turn the dial to select the value (0-15) 3. Confirm with OK |
| LCD backlight is too dim or too bright | The brightness of the backlight is not correctly set | 1. Confirm LCD BACKLIGHT with OK 2. Use the + or – keys or turn the dial to select the value (0–3) 3. Confirm with OK |
| Controller switches too frequently or too rarely | The controller type is not suitable for the heating installation | 1. Confirm CONTROLLER with OK 2. Choose between PD CONTROLLER (for adapted installations with short settling time) or HYSTERESIS CONTROLLER (for oversized or undersized installations with low switching frequency) 3. Use the + or – keys or turn the dial to set the values 4. Confirm with OK |
Temperatuurproblemen 2
| Probleem | Oorzaak | Oplossing |
|---|---|---|
| Unfavorable temperature reading due to installation location | The installation location is unfavorable, causing temperature deviations between the recorded and actual room temperature | 1. Confirm SERVICE with OK 2. Confirm CALIBRATION with OK 3. Use the + or – keys or turn the dial to change the temperature value 4. Confirm with OK to set the offset value (difference between measured and displayed temperature) |
| Desired room temperature not reached at set switching time | Optimization is not enabled, causing the thermostat to release heating demand too late | 1. Confirm OPTIMIZATION with OK 2. Use the + or – keys or turn the dial to set the value (1–60 minutes per K temperature difference) 3. Confirm with OK 4. Adjust the optimization value based on room and heating conditions |
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