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Troubleshooting

TIME:O:STAT 3 and 2.0 TROUBLESHOOTING

How Do I Change The Clock?

 The main clock is displayed in the top centre of the screen. Ensure the correct 24hr time is showing and the date is correct. This is required for the Time:o:stat to automatically adjust for BST.

  • For Pre 2022 Time:o:stat 3 and 2.0 units: Press the button accessed through the pinhole on the LEFT side of the Time:o:stat. 

  • For Post 2022 Time:o:stat 3 units: Pressing and hold the two left hand side + and - buttons for around 3 seconds.

 

How Do I Reset The Time:o:stat?

After changing advanced settings or RF channel the Time:o:stat will need to be RESET

  • For Time:o:stats purchased before 2022 this is accessed through a pin hole on the RIGHT side of the Time:o:stat

  • For Time:o:stats purchased after 2022 this done by pressing and holding the right hand side + and - buttons for around 3 seconds.

 

Spanner Symbol / Low Signal 

No communication between wireless master & slave due to low radio frequency

  • Check the green power light is showing on the black Time:o:stat receiver next to the boiler. If the green light is not showing then have a qualified electrician check the wiring to the boiler.

  • Check for a low battery symbol showing on the Time:o:stat. If present replace the existing batteries with new high performance AA batteries using the procedure outlined in the Battery Symbol Showing section below.

  • Check the range - The master and its slave may be too far apart or there are solid walls in-between the units - Refer to Wireless Location Guide

  • Relocate the wireless Time:o:stat closer to the receiver minimising metallic and solid objects in its line of sight. (A signal strength test can be performed following the instructions at the bottom of the troubleshooting guide).

  • Time:o:stats are factory paired and do not require pairing. Changing the RF channel is only required if there are more than one Time:o:stat in close proximity.

  • Master and Slave IDs different - check the 5 bit switch settings on the back of both the Slave and the master are the same.

 

Blank screen

DO NOT BEND THE BATTERY TERMINALS

  • Try to wake the Time:o:stat by adding heating time, pressing the top left + button

  • Factory reset the unit by removing the batteries, then press a few buttons to clear any charge from the memory, wait for 30 seconds, then replace the batteries.

  • Factory reset with default settings by removing the batteries for at least 60 seconds and set all the 10 dip switch settings to off (down) and repeat the above procedure with new AA high performance batteries. Then press the RESET button (accessed through a pin hole on the RIGHT side (pre 2022 models) or by pressing and holding the + and - buttons on the right hand side of the Time:o:stat.


Low Battery Symbol Showing

  • Remove the batteries, then press a few buttons to clear any charge from the memory, wait for 30 seconds. Then replace the batteries with new AA high performance batteries.

  • If the spanner symbol also shows the battery level may be too low for the radio frequency to operate correctly


Changing Advanced Settings Has Not Worked

Selecting minimum 23 degree, night warmth or any advanced settings have had no effect.

  • After changing advanced settings the Time:o:stat will need to be RESET.

  • For Time:o:stats purchased before 2022 this is accessed through a pin hole on the RIGHT side of the Time:o:stat

  • For Time:o:stats purchased after 2022 this done by pressing and holding the right hand side + and - buttons for around 3 seconds.

 

Boiler Turns On When The Time:o:stat Suggests It Should Be Off

  • RESET the Time:o:stat using the button accessed through a pin hole on the RIGHT side of the Time:o:stat (for pre 2022 models) or by pressing and holding the + and - buttons on the right hand side for around 3 seconds (post 2022 models). This may have not been done following an advanced settings change.

  • Check hot water usage is not being called for that would result in the boiler running.

  • Check RF interference from another Time:o:stat. - If there is another Time:o:stat in close proximity then each Time:o:stat should be set to a different RF channel and then reset following the change. (A step by step guide to change the RF channel is available from the manuals page)

  • Time:o:stats are factory paired and do not require pairing. Changing the RF channel is only required if there are more than one Time:o:stat in close proximity.

  • Is the wiring correct? – this should be checked by a qualified person

  • Check mains voltage has not passed through the low voltage contacts which may have damaged the unit during installation. (Maximum switchable current is 2A).

 

Boiler Does Not Turn On When The Time:o:stat Suggests It Should

  • Check the boilers master thermostat is not too low. If too low then the boiler will shut off the heating regardless of the temperature selected on the Time:o:stat.

  • Check the heating is set to 'constantly on' on the boiler. If the heating is selected as off or on a separate timer on the boiler then the Time:o:stat will not operate.

  • Is the wiring incorrect? - this should be checked by a qualified person

  • Check mains voltage has not passed through the low voltage contacts which may have damaged the unit during installation. (Maximum switchable current is 2A).

 

Auto-program Comes On At Strange Times

The two auto-program times displayed at the bottom of the screen run according to the main clock in the top centre of the screen.

  • Ensure this is showing the correct 24hr time.

  • If the incorrect time is showing then this can be changed by pressing button accessed through the pinhole on the LEFT side of the Time:o:stat (for pre 2022 models) or by pressing and holding the two left hand side + and - buttons. (for post 2022 models)

 

TIME:O:STAT WIRELESS MK1.0 (2016-18)

The display shows ID00

The Time:o:stat has been mistakenly placed in factory pairing mode

  • Remove batteries

  • Put the 8 dip switch down to (off)

  • Replace batteries after 60 seconds to allow RESET

  • Time:o:stats are factory paired and do not require pairing. Changing the RF channel is only required if there are more than one Time:o:stat in close proximity.


Spanner symbol is showing & No Heating

No communication between Wireless Controller and Receiver due to poor radio frequency

  • Ensure the power pack is plugged in, turned on and connected to the receiver next to the boiler.

  • Check the range- The controller and its receiver may be too far apart or there are solid walls in-between the units.

  • Relocate the wireless Time:o:stat closer to the receiver minimising metallic and solid objects in its line of sight. (A signal strength test can be performed following the instructions at the bottom of the troubleshooting guide).

  • If the spanner symbol still shows after 5 minutes of being in close proximity to the receiver then RESET the wireless Time:o:stat by removing the batteries for 60 seconds and replacing.

  • Time:o:stats are factory paired and do not require pairing. Changing the RF channel is only required if there are more than one Time:o:stat in close proximity. (A step by step guide to change the RF channel is available from the manuals page)

 

TIME:O:STAT WIRED MK1.0 (2016-2018)

Blank screen or spanner symbol

A blank screen or spanner symbol indicates the front of the Time:o:stat is not connected correctly to the back plate. Or a blank screen can be a result of insufficient battery level.

  • Check or replace the batteries

  • Ensure the Time:o:stat front in correctly clipped into the back plate before replacing the screw in the bottom of the unit.

  • Ensure that the connecting pins between the front and back plates of the Time:o:stat are not bent during installation.

  • If the back plate is tightly screwed to an uneven wall it can warp the back plate and pull the connecting interface pins out of alignment. This and result in the front and back plate not connecting properly. Loosening the screws connecting the back plate to the wall can rectify this.

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Signal Strength Test - Time:o:stat 2.0.

Pressing the reset button (on the right hand side of the unit) shows the product and firmware versions.
Product t1 = Wireless
Product t2 = Mains Wired
Product t3 = Battery Wired
If you press and hold the :t: button whilst this is being displayed then the unit will go into an RF level evaluation mode:
Initially an LCD display test is done before going in to the RF evaluation mode
It shows the Unit’s current RF ID (00 to 15) and two numbers on the bottom of the display.
The left hand number is a measure of the RF level received by the slave from the master and the right hand number is a measure of the RF level received by the Master from the Slave. Generally, the higher the number the better, 00:00 means nothing received by the master. It is normal for these numbers to change erratically and occasionally show 00.00. A desirable signal is above 75 for both values. Below this indicates a poor signal strength.To exit this mode and return to normal operation press and hold the :t: button.


Signal Strength Test - Wireless Time:o:stat (2016-18)

On Later versions of the Mark 1 there is an RF signal evaluation mode.
To access this mode, remove one of the batteries and press and hold the :t: button, then restore the battery.
Initially an LCD display test is done before going in to the RF evaluation mode.
The mode shows two numbers on the bottom of the display.
The Left hand number is a measure of the RF level received by the Slave from the master and the right hand number is a measure of the RF level received by the Master from the Slave. Generally, the higher the number the better, 00:00 means nothing received by the master. It is normal for these numbers to change erratically and occasionally show 00.00. A desirable signal is above 75 for both values. Below this indicates a poor signal strength.To exit this mode and return to normal operation press and hold the :t: button.