Why Am I Getting a "Check 100" On My VISTA P-Series Panel?
You are getting a Check 100 on your VISTA P-Series Panel because the system is looking for a wireless receiver to supervise, but it is unable to find one. If you don't plan on using a wireless receiver, then you must adjust the [*24] programming field accordingly to clear the error.
A Honeywell VISTA Panel is a hardwired system that does not come with and wireless receiver built in. However, you can add a wireless receiver to support wireless sensors. The system can be set up with a House ID code using the [*24] programming field. This House ID setting is used with various bi-directional communication devices, but it is also one of the ways to tell the system whether or not it should be looking for a wireless receiver. If the system has a House ID set up, but the system is not detecting a wireless receiver because one is not installed, then a Check 100 error will be displayed.
Most users get a Check 100 error because they are not using a wireless receiver with the system, and they have the [*24] programming field set up incorrectly. If that is the case, then you must reconfigure the [*24] programming field setting so that the system knows that it should not be looking for a wireless receiver. This is done by entering programming, accessing the [*24] programming field, and disabling the House ID for each system partition. When the House ID is set to , the system knows not to look for a wireless receiver at that partition. Simply set the House ID for each partition to  to fix the problem and clear the error.
In order to access the [*24] field, you must first enter programming. This is done with the command [Installer Code] + . Remember that the default Installer Code on a Honeywell VISTA P-Series System is 4112. You will see either "Installer Code 20" or "20" on the keypad to indicate that you have entered programming. Then press [*24]. You will access the House ID field.
You must now set the House ID for each system partition to . The VISTA-15P has only one (1) partition, you only need to enter  if you are using that system. But the VISTA-20P, VISTA-21iP, and VISTA-21iPLTE Systems have three (3) partitions. You must enter  +  +  to disable the House ID for all three partitions if you are using one of those systems. After making the appropriate entry, your keypad will beep three (3) times to confirm that the House ID setting has been updated. You can then exit programming by entering [*99].
If you are trying to use a wireless receiver with your system, then the House ID can be set to something other than  for the partition you are working with. Specifically, the programmed House ID should match the House ID setting for any bi-directional communication devices you are using with the system. If you are not using any bi-directional devices, then you can leave the House ID set to . The programming for the wireless zones on the system will tell the panel that it should expect to see a receiver at address 00. If you are getting a Check 100 error in this situation, then it means that something is wrong with the system's wireless receiver and the system is unable to detect it. You may need to fix the wiring for the wireless receiver or you may need to properly set its address.
Another potential cause of a Check 100 issue is that you have at least one system zone set up with an Input Type of RF, UR, or BR. If even just one system zone is programmed with one of these Input Types and the system is unable to detect a wireless receiver, then you will get the issue. System zones 9 and above have a default Input Type of RF when they are being programmed, so it's possible you may accidentally program an expansion zone as RF instead of Aux Wired. That would result in a Check 100 issue when no receiver is present. Make sure that none of your system zones have an Input Type of RF, UR, or BR if you are not using a wireless receiver with the system.
Finally, it is possible that you may be using a wireless receiver that is set up with an address other than 00. The Check 100 error means that the system is looking for address 00 to be used with a wireless receiver, but it is unable to find one. If your system's wireless receiver is set up at a different address for some reason, then you will get the Check 100 error. Make sure the wireless receiver for your system is set at address 00. This should clear the issue, as your system will then detect the wireless receiver at the designated address.
Another issue that could occur, though rare, is that you could have multiple receivers connected to the system, with more than one receiver set to address 00. This is sometimes the case when adding multiple 6150RF or 6160RF keypads to a system. In both of these types of keypads, the built-in receiver is enabled and set to address 00 by default. When you are dealing with the VISTA P-Series Panels, only one receiver is supported on the system at a time. In this case, the receiver must only be enabled in one of these RF keypads to prevent errors.
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