Weltouch Cy-210b Manual ⭐
| Code | Option | Settings (Default in bold) | |------|--------|----------------------------| | 01 | Temperature scale | °F or °C | | 02 | Swing cycle (How often system turns on) | 1 (0.5°F) , 2 (1°F), 3 (1.5°F) – Higher = fewer cycles | | 05 | Cycle rate (CPH) | 3 (Gas), 5 (Electric), 1 (Steam) | | 09 | Compressor protection delay (minutes) | 4 (Recommended) | | 12 | Heat/Cool mode locking | 0 (No lock), 1 (Lock Heat only) , 2 (Lock Cool only) |
To adjust: Use Up/Down to change code, press Set to edit value, press Mode to save and exit.
🚨 Warning: Do not change code 03 (system type) unless you are certain what HVAC equipment you have. Selecting "Heat Pump" on a conventional gas furnace can cause damage.
If your variant has a blue backlight: Press MODE + Z/T simultaneously to toggle always-on / auto / off. weltouch cy-210b manual
The CY-210B needs both power and signal to work properly. There are two correct ways to connect it:
Option A: For Windows/Mac (Touch + Display)
Option B: For Raspberry Pi (4/5)
⚠️ Troubleshooting: If the screen stays black, your USB port isn’t supplying enough power. Use a powered USB hub or a 5V/2A phone charger on the USB-C port.
Without a proper manual, many users complain about erratic readings. Here is the correct setup procedure.
If you see “Err-C”: The calibration weight is wrong or not stable. Repeat from step 1. | Code | Option | Settings (Default in
Given the lack of an accessible manual, many wonder if this is a smart purchase. Compared to newer Bluetooth scales, the CY-210B remains relevant for three reasons:
Downside: The missing manual means you must save this article or bookmark it. Without calibration knowledge, the scale becomes useless within months.
The official weltouch cy-210b manual emphasizes routine maintenance to ensure accuracy. 🚨 Warning: Do not change code 03 (system
Even the best thermostats encounter issues. Here are common error messages and solutions, directly referenced from the original service manual.
| Error Code | Meaning | Solution | |------------|---------|----------| | E1 | Room temperature sensor shorted/failed | Replace thermostat (sensor is internal). | | E2 | Heat pump sensor failure | Check wiring to O/B terminal. | | E3 | Low battery warning | Replace both AA batteries immediately. | | Blank Screen | No power | Check batteries. If using C-wire, inspect furnace fuse. | | Heat won’t turn off | Wiring short or mode stuck | Switch to Off. If heater still runs, call HVAC technician. | | Display shows "HI" or "LO" | Room temp >99°F or <32°F | Thermostat is working; environment is extreme. |