Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Tiffcofio MH-269A Indoor Digital Programmable Timer Outlet. Please read this manual thoroughly before using the device to ensure proper function and safety.
Safety Information
- For indoor use only. Do not expose to moisture or extreme temperatures.
- Ensure the timer is securely plugged into a grounded outlet.
- Do not exceed the maximum electrical rating of the device.
- Unplug the timer from the power source before cleaning.
- Do not disassemble or attempt to repair the device. Contact customer support for assistance.
Product Features
- 7-Day Programmable: Customize schedules for each day of the week.
- 8 ON/OFF Programs: Set up to 8 distinct ON/OFF cycles.
- Dual Grounded Outlets: Control two devices simultaneously.
- Built-in Battery Backup: Retains settings during power outages (requires LR1130 battery).
- Manual Override: Easily switch between ON, OFF, and AUTO modes.
- Vacation Mode: Randomly turns lights ON/OFF to simulate occupancy.

Image: Overview of the Tiffcofio Digital Timer Outlet, highlighting its key features such as dual grounded outlets, energy saving capability, manual override function, and 8 ON/OFF program settings.
Package Contents
- Tiffcofio MH-269A Digital Programmable Timer Outlet (2 units)
- User Manual
Component Identification

Image: Front view of the Tiffcofio Digital Timer Outlet, displaying the LCD screen and control buttons for setting time and programs.
- LCD Display: Shows current time, day, and program status.
- WEEK Button: Selects the day(s) of the week.
- HOUR Button: Adjusts the hour.
- MIN Button: Adjusts the minute.
- TIME Button: Enters time setting mode.
- ON/OFF AUTO Button: Cycles through ON, OFF, and AUTO modes.
- PROG Button: Enters program setting mode.
- RESET Button: Clears all settings and resets the timer.
- Grounded Outlets: Two outlets for connecting devices.
- Battery Compartment: Houses the LR1130 backup battery.
Setup
1. Initial Setup and Battery Installation
Before first use, or after a prolonged period of disuse, install or check the backup battery. The timer uses an LR1130 button cell battery to retain settings during power outages.

Image: Rear view of the timer outlet with the battery compartment open, showing where to insert the LR1130 backup battery.
- Locate the battery compartment on the back of the timer.
- Open the compartment cover.
- Insert one LR1130 button cell battery, ensuring correct polarity (+/-).
- Close the compartment cover.
2. Resetting the Timer
Press the RESET button with a small pointed object (e.g., a pen tip) to clear all previous settings and ensure a fresh start. The display will show "0:00" and all indicators will be off.
3. Setting Current Time and Day
- Press the TIME button once. The hour digits will flash.
- Use the HOUR button to set the current hour.
- Use the MIN button to set the current minute.
- Press the WEEK button to select the current day of the week.
- Press the TIME button again to confirm and exit time setting mode.
Operating Instructions
1. Programming ON/OFF Cycles
The timer allows for up to 8 distinct ON/OFF programs. Each program can be set for specific days or combinations of days.

Image: The timer outlet connected to a coffee maker, illustrating its use for scheduling. A table lists various day combinations for programming, such as 'Monday Only', 'Weekdays', and 'Every Day'.
- Press the PROG button once. The display will show "1 ON" and the hour digits will flash.
- Use the HOUR and MIN buttons to set the desired ON time for Program 1.
- Press the WEEK button repeatedly to cycle through the 11 available day combinations (e.g., MO, TU, WE, TH, FR, SA, SU, MO-FR, SA-SU, MO-SA, MO-SU). Select your desired day(s).
- Press the PROG button again. The display will show "1 OFF" and the hour digits will flash.
- Use the HOUR and MIN buttons to set the desired OFF time for Program 1.
- Repeat steps 3-5 for any additional programs (up to 8).
- After setting all desired programs, press the TIME button to exit program setting mode.
2. Manual Override (ON/OFF AUTO)
The ON/OFF AUTO button allows you to manually control the timer's output.
- Press once for ON: The timer will stay ON continuously, overriding all programs.
- Press again for OFF: The timer will stay OFF continuously, overriding all programs.
- Press a third time for AUTO: The timer will operate according to the programmed ON/OFF cycles. This is the standard operating mode for scheduled automation.
3. Vacation Mode (Random ON/OFF)
To activate vacation mode, which randomly turns devices ON and OFF to simulate occupancy:
- Ensure the timer is in AUTO mode.
- Press and hold the WEEK button for 3 seconds. The display will show "RND" or a similar indicator.
- To deactivate, press and hold the WEEK button for 3 seconds again.
Maintenance
- Cleaning: Unplug the timer before cleaning. Wipe with a dry, soft cloth. Do not use liquid cleaners or abrasive materials.
- Battery Replacement: If the display goes blank or settings are lost frequently during power outages, replace the LR1130 backup battery.
- Storage: Store the timer in a cool, dry place when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Timer display is blank. | No power from the wall outlet. | Check if the wall outlet is functional. Ensure the timer is fully plugged in. |
| Settings are lost after a power outage. | Backup battery is dead or not installed correctly. | Replace the LR1130 backup battery. Ensure correct polarity. |
| Device connected to timer does not turn ON/OFF as programmed. | Timer is not in AUTO mode. Incorrect program settings. | Press ON/OFF AUTO until "AUTO" is displayed. Review and correct program settings (ON/OFF times, days). |
| Timer is not responding to button presses. | Internal error or temporary malfunction. | Press the RESET button with a pointed object. Re-enter time and programs. |
Specifications
| Model: | MH-269A |
| Input Voltage: | 125V AC, 60Hz |
| Max Load: | 15A Resistive, 1875W |
| Number of Outlets: | 2 Grounded Outlets |
| Programs: | 8 ON/OFF Programs |
| Battery Backup: | LR1130 (included) |
| Dimensions: | 2.36"D x 2.87"W x 2.95"H |
| Certifications: | ETL Listed |
| Usage: | Indoor Use Only |
Warranty and Support
Tiffcofio products are designed for reliability and performance. For warranty information or technical support, please contact our customer service team. Our professional and reliable after-sales service will assist you within 6 hours.
Contact Information: Refer to your product packaging or the official Tiffcofio website for the most current contact details.





