diff --git a/coordinator/iocontrol.lua b/coordinator/iocontrol.lua
index 66e6e5c..9a788db 100644
--- a/coordinator/iocontrol.lua
+++ b/coordinator/iocontrol.lua
@@ -1112,8 +1112,9 @@ function iocontrol.update_unit_statuses(statuses)
                         unit.rad_monitors = {}
 
                         for id, envd in pairs(rtu_statuses.envds) do
-                            local radiation = envd[2] ---@type radiation_reading
-                            local rad_raw   = envd[3] ---@type number
+                            local rtu_faulted = envd[1] ---@type boolean
+                            local radiation   = envd[2] ---@type radiation_reading
+                            local rad_raw     = envd[3] ---@type number
 
                             any_conn = true
 
@@ -1122,7 +1123,9 @@ function iocontrol.update_unit_statuses(statuses)
                                 max_reading = radiation
                             end
 
-                            unit.rad_monitors[id] = { radiation = radiation, raw = rad_raw }
+                            if not rtu_faulted then
+                                unit.rad_monitors[id] = { radiation = radiation, raw = rad_raw }
+                            end
                         end
 
                         if any_conn then
diff --git a/pocket/startup.lua b/pocket/startup.lua
index 71e2a73..b2f7874 100644
--- a/pocket/startup.lua
+++ b/pocket/startup.lua
@@ -22,7 +22,7 @@ local pocket    = require("pocket.pocket")
 local renderer  = require("pocket.renderer")
 local threads   = require("pocket.threads")
 
-local POCKET_VERSION = "v0.13.4-beta"
+local POCKET_VERSION = "v0.13.5-beta"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/pocket/ui/apps/radiation.lua b/pocket/ui/apps/radiation.lua
index 8676f13..e40cb6d 100644
--- a/pocket/ui/apps/radiation.lua
+++ b/pocket/ui/apps/radiation.lua
@@ -2,24 +2,24 @@
 -- Radiation Monitor App
 --
 
-local util          = require("scada-common.util")
+local util         = require("scada-common.util")
 
-local iocontrol     = require("pocket.iocontrol")
-local pocket        = require("pocket.pocket")
+local iocontrol    = require("pocket.iocontrol")
+local pocket       = require("pocket.pocket")
 
-local style         = require("pocket.ui.style")
+local style        = require("pocket.ui.style")
 
-local core          = require("graphics.core")
+local core         = require("graphics.core")
 
-local Div           = require("graphics.elements.Div")
+local Div          = require("graphics.elements.Div")
 local ListBox      = require("graphics.elements.ListBox")
-local MultiPane     = require("graphics.elements.MultiPane")
-local Rectangle     = require("graphics.elements.Rectangle")
-local TextBox       = require("graphics.elements.TextBox")
+local MultiPane    = require("graphics.elements.MultiPane")
+local Rectangle    = require("graphics.elements.Rectangle")
+local TextBox      = require("graphics.elements.TextBox")
 
-local WaitingAnim   = require("graphics.elements.animations.Waiting")
+local WaitingAnim  = require("graphics.elements.animations.Waiting")
 
-local RadIndicator  = require("graphics.elements.indicators.RadIndicator")
+local RadIndicator = require("graphics.elements.indicators.RadIndicator")
 
 local ALIGN  = core.ALIGN
 local cpair  = core.cpair
diff --git a/scada-common/comms.lua b/scada-common/comms.lua
index 75a99ad..2f3ef71 100644
--- a/scada-common/comms.lua
+++ b/scada-common/comms.lua
@@ -17,8 +17,8 @@ local max_distance = nil
 local comms = {}
 
 -- protocol/data versions (protocol/data independent changes tracked by util.lua version)
-comms.version = "3.0.6"
-comms.api_version = "0.0.9"
+comms.version = "3.0.7"
+comms.api_version = "0.0.10"
 
 ---@enum PROTOCOL
 local PROTOCOL = {