diff --git a/lib/farmbot/celery_script/ast/node/config_update.ex b/lib/farmbot/celery_script/ast/node/config_update.ex
index 4b48750f..93415434 100644
--- a/lib/farmbot/celery_script/ast/node/config_update.ex
+++ b/lib/farmbot/celery_script/ast/node/config_update.ex
@@ -73,7 +73,8 @@ defmodule Farmbot.CeleryScript.AST.Node.ConfigUpdate do
   defp lookup_os_config("sequence_body_log",         val), do: {:ok, {:bool,   "settings", format_bool_for_os(val)}}
   defp lookup_os_config("sequence_complete_log",     val), do: {:ok, {:bool,   "settings", format_bool_for_os(val)}}
 
-  defp lookup_os_config("network_not_found_timer",   val), do: {:ok, {:float,  "settings", to_float(val)}}
+  defp lookup_os_config("network_not_found_timer",   val) when val > 0, do: {:ok, {:float,  "settings", to_float(val)}}
+  defp lookup_os_config("network_not_found_timer",   val) {:error, "network_not_found_timer must be greater than zero."}
 
   defp lookup_os_config("firmware_hardware", "farmduino"), do: {:ok, {:string, "settings", "farmduino"}}
   defp lookup_os_config("firmware_hardware",   "arduino"), do: {:ok, {:string, "settings", "arduino"}}
diff --git a/nerves/target/bootstrap/network/manager.ex b/nerves/target/bootstrap/network/manager.ex
index 1951bc8c..08093c68 100644
--- a/nerves/target/bootstrap/network/manager.ex
+++ b/nerves/target/bootstrap/network/manager.ex
@@ -70,7 +70,6 @@ defmodule Farmbot.Target.Network.Manager do
         Logger.warn 1, "Network not found. Starting timer."
         timer = Process.send_after(self(), :network_not_found_timer, round(delay_timer))
         {:noreply, %{state | not_found_timer: timer}}
-      delay_timer == -1 -> {:noreply, state}
       is_nil(delay_timer) ->
         Logger.error 1, "Network not found"
         Farmbot.System.factory_reset("WIFI Authentication failed. (network not found)")