diff --git a/avr/apps/fan_control/main.asm b/avr/apps/fan_control/main.asm
index 2f08cdb..8e93b27 100644
--- a/avr/apps/fan_control/main.asm
+++ b/avr/apps/fan_control/main.asm
@@ -201,6 +201,7 @@ appFanControlWriteEeprom_ret:
 appFanControlActorOn:
   ldd r16, Y+APP_FANCONTROL_RAM_OFFS_VALUE_LO
   rcall appFanControlSetFanDutyFromTable
+  bigcall AppFanControl_ReportState
   ret
 ; @end
 
@@ -214,7 +215,9 @@ appFanControlActorOn:
 
 appFanControlActorOff:
   clr r16
-  rjmp appFanControlSetFanDutyFromTable
+  rcall appFanControlSetFanDutyFromTable
+  bigcall AppFanControl_ReportState
+  ret
 ; @end
 
 
diff --git a/avr/apps/fan_control/send.asm b/avr/apps/fan_control/send.asm
new file mode 100644
index 0000000..557890e
--- /dev/null
+++ b/avr/apps/fan_control/send.asm
@@ -0,0 +1,53 @@
+; ***************************************************************************
+; copyright   : (C) 2026 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+#ifndef AQH_AVR_APPS_FAN_CONTROL_SEND_ASM
+#define AQH_AVR_APPS_FAN_CONTROL_SEND_ASM
+
+.cseg
+
+
+; ---------------------------------------------------------------------------
+; @routine AppFanControl_ReportState
+;
+; @clobbers R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, X
+
+AppFanControl_ReportState:
+  push yl
+    push yh
+      push zl
+        push zh
+          ldi zl, LOW(appFanControlObjectFlash*2)
+          ldi zh, HIGH(appFanControlObjectFlash*2)
+          lpm yl, Z+
+          lpm yh, Z
+          sbiw zh:zl, 1
+        
+          ldd r16, Y+HTIM_RAM_OFFS_FLAGS
+          clr r18
+          sbrc r16, HTIM_FLAGBIT_STATE
+            inc r18
+          ldi r17, VALUE_ID_FANCTRL_STATE
+          clr r19
+          ldi r20, 1
+          clr r21
+          ldi r22, AQHOME_VALUETYPE_ONOFF
+          rcall Main_SendValueReport       ; (R16, R17, R18, R19, R20, R21, R23, R24, R25, X)
+        pop zh
+      pop zl
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+
+
+#endif
+
diff --git a/avr/apps/light_control/main.asm b/avr/apps/light_control/main.asm
index 8ea4ec4..7380ce7 100644
--- a/avr/apps/light_control/main.asm
+++ b/avr/apps/light_control/main.asm
@@ -11,7 +11,7 @@
 #define AQH_AVR_APPS_LIGHT_CONTROL_MAIN_ASM
 
 
-.equ APP_LIGHTCONTROL_LIGHT_LIMIT = 15
+.equ APP_LIGHTCONTROL_LIGHT_LIMIT = 20
 
 
 
@@ -139,9 +139,10 @@ appLightControlUpdate:
 appLightControlUpdate_auto:
   sbr r16, (1<<HTIM_FLAGBIT_ACTIVE) | (1<<HTIM_FLAGBIT_ACTORENABLED) ; enable timer
   std Y+HTIM_RAM_OFFS_FLAGS, r16
-  sbrs r16, HTIM_FLAGBIT_STATE
-    rjmp appLightControlUpdate_ret   ; jump if clear (actor is off)
-  rcall appLightControlActorOn
+  bigcall HTIM_Trigger
+;  sbrs r16, HTIM_FLAGBIT_STATE
+;    rjmp appLightControlUpdate_ret   ; jump if clear (actor is off)
+;  rcall appLightControlActorOn
   rjmp appLightControlUpdate_ret
 appLightControlUpdate_on:
   rcall appLightControlActorOn
@@ -185,16 +186,16 @@ appLightControlReadEeprom_ret:
 
 appLightControlWriteEeprom:
    ldi r16, APP_LIGHTCONTROL_EEID
-   bigcall EepromTlv_FindFirst
+   bigcall EepromTlv_FindFirst            ; X=ptr, r17=length (r16, r18)
    brcs appLightControlWriteEeprom_write
    ; create eeprom TLV
    ldi r16, APP_LIGHTCONTROL_EEID
    ldi r17, APP_LIGHTCONTROL_EE_SIZE
-   bigcall EepromTlv_AddTlv
+   bigcall EepromTlv_AddTlv               ; X=ptr (r16, r20, r21, r18)
    brcc appLightControlWriteEeprom_ret
 appLightControlWriteEeprom_write:
   ; let base class write
-  bigcall TCA_WriteEepromAt
+  bigcall TCA_WriteEepromAt               ; 
   brcc appLightControlWriteEeprom_ret
   push yl
     push yh
@@ -220,12 +221,8 @@ appLightControlActorOn:
   ldd r20, Y+APP_LIGHTCONTROL_RAM_OFFS_VALUE_BLUE
   ldd r21, Y+APP_LIGHTCONTROL_RAM_OFFS_VALUE_WHITE
   bigcall SK6812_SetRGBW                           ; (r16, r24, r25)
-  ldi r18, 1
-  push yl
-    push yh
-      bigcall AppLightControl_ReportState
-    pop yh
-  pop yl
+
+  bigcall AppLightControl_ReportState
   ret
 ; @end
 
@@ -243,14 +240,32 @@ appLightControlActorOff:
   clr r20
   clr r21
   bigcall SK6812_SetRGBW   ; (r16, r24, r25)
-  ldi r18, 0
+
+  bigcall AppLightControl_ReportState
+  ret
+; @end
+
+
+
+
+
+#if 0
+appLightControlDebug:
+  ; debug
+  ldi r17, 0xf0
+  ldd r18, Y+HTIM_RAM_OFFS_FLAGS
+  ldd r19, Y+HTIM_RAM_OFFS_MODE
+  ldd r20, Y+HTIM_RAM_OFFS_CURRVAL_LO
+  ldd r21, Y+HTIM_RAM_OFFS_CURRVAL_HI
+  ldi r22, AQHOME_VALUETYPE_ONOFF
   push yl
     push yh
-      bigcall AppLightControl_ReportState
+      rcall Main_SendValueReport       ; (R16, R17, R18, R19, R20, R21, R23, R24, R25, X)
     pop yh
   pop yl
   ret
 ; @end
+#endif
 
 
 
diff --git a/avr/apps/light_control/send.asm b/avr/apps/light_control/send.asm
index 20ff3b8..0bd71b7 100644
--- a/avr/apps/light_control/send.asm
+++ b/avr/apps/light_control/send.asm
@@ -1,5 +1,5 @@
 ; ***************************************************************************
-; copyright   : (C) 2024 by Martin Preuss
+; copyright   : (C) 2026 by Martin Preuss
 ; email       : martin@libchipcard.de
 ;
 ; ***************************************************************************
@@ -14,20 +14,33 @@
 
 
 ; ---------------------------------------------------------------------------
-; @routine sk6812ReportState
+; @routine AppLightControl_ReportState
 ;
-; @param R18 state (0=off, 1=on)
 ; @clobbers R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, X
 
 AppLightControl_ReportState:
-  ldi r17, VALUE_ID_LIGHTCONTROL_STATE
-  clr r19
-  ldi r20, 1
-  clr r21
-  ldi r22, AQHOME_VALUETYPE_ONOFF
   push yl
     push yh
-      rcall Main_SendValueReport       ; (R16, R17, R18, R19, R20, R21, R23, R24, R25, X)
+      push zl
+        push zh
+          ldi zl, LOW(appLightControlObjectFlash*2)
+          ldi zh, HIGH(appLightControlObjectFlash*2)
+          lpm yl, Z+
+          lpm yh, Z
+          sbiw zh:zl, 1
+        
+          ldd r16, Y+HTIM_RAM_OFFS_FLAGS
+          clr r18
+          sbrc r16, HTIM_FLAGBIT_STATE
+            inc r18
+          ldi r17, VALUE_ID_LIGHTCONTROL_STATE
+          clr r19
+          ldi r20, 1
+          clr r21
+          ldi r22, AQHOME_VALUETYPE_ONOFF
+          rcall Main_SendValueReport       ; (R16, R17, R18, R19, R20, R21, R23, R24, R25, X)
+        pop zh
+      pop zl
     pop yh
   pop yl
   ret
diff --git a/avr/devices/n30/main/main.asm b/avr/devices/n30/main/main.asm
index 6d066af..f6b5c0a 100644
--- a/avr/devices/n30/main/main.asm
+++ b/avr/devices/n30/main/main.asm
@@ -56,11 +56,11 @@
 #define MODULES_NETWORK
 #define MODULES_COM2W
 #define MODULES_OWI_MASTER
-;#define MODULES_DS18B20
+#define MODULES_DS18B20
 #define MODULES_SK6812
 
 #define APPS_NETWORK
-;#define APPS_REPORTSENSORS
+#define APPS_REPORTSENSORS
 #define APPS_STATS
 #define APPS_LIGHTCONTROL
 
@@ -184,7 +184,7 @@ onEveryLoop:
 .include "devices/all/includes.asm"
 ;.include "common/debug.asm"
 .include "common/eeprom_tlv.asm"
-.include "common/walktable.asm"
+;.include "common/walktable.asm"
 
 
 
diff --git a/avr/devices/n32/main/main.asm b/avr/devices/n32/main/main.asm
index 5550c6d..103b6a3 100644
--- a/avr/devices/n32/main/main.asm
+++ b/avr/devices/n32/main/main.asm
@@ -103,6 +103,7 @@
 .equ VALUE_ID_FAN3_SPEED        = 0x0a ; RPM
 
 ; new values
+.equ VALUE_ID_FANCTRL_STATE       = 0x07
 .equ VALUE_ID_FANCTRL_GUARDSRC    = 0x90
 .equ VALUE_ID_FANCTRL_GUARDLIM    = 0x91
 .equ VALUE_ID_FANCTRL_TRIGGER1SRC = 0x92
diff --git a/avr/modules/holdtimer/main.asm b/avr/modules/holdtimer/main.asm
index a64fbde..91877fb 100644
--- a/avr/modules/holdtimer/main.asm
+++ b/avr/modules/holdtimer/main.asm
@@ -51,6 +51,8 @@ HTIM_Init:
 
 HTIM_EnableActor:
   ldd r16, Y+HTIM_RAM_OFFS_FLAGS
+  sbrc r16, HTIM_FLAGBIT_ACTORENABLED     
+    rjmp HTIM_EnableActor_ret             ; jmp if already enabled
   sbr r16, (1<<HTIM_FLAGBIT_ACTORENABLED)
   std Y+HTIM_RAM_OFFS_FLAGS, r16
   sbrs r16, HTIM_FLAGBIT_ACTIVE
@@ -72,8 +74,11 @@ HTIM_EnableActor_ret:
 
 HTIM_DisableActor:
   ldd r16, Y+HTIM_RAM_OFFS_FLAGS
+  sbrs r16, HTIM_FLAGBIT_ACTORENABLED     
+    rjmp HTIM_DisableActor_ret             ; jmp if already disabled
   cbr r16, (1<<HTIM_FLAGBIT_ACTORENABLED)
   std Y+HTIM_RAM_OFFS_FLAGS, r16
+HTIM_DisableActor_ret:
   ret
 ; @end
 
@@ -116,10 +121,15 @@ HTIM_Stop:
 ;
 ; @param Z pointer to timer data in FLASH (byte address for lpm!)
 ; @param Y pointer to data in RAM
-; @clobbers Y
 
 HTIM_Trigger:
-  rjmp htimReloadTimer
+  ldd r17, Y+HTIM_RAM_OFFS_FLAGS
+  sbrs r17, HTIM_FLAGBIT_ACTIVE
+    rjmp HTIM_Trigger_ret             ; jmp if not active
+  sbrc r17, HTIM_FLAGBIT_ACTORENABLED ; don't reload 
+    rcall htimReloadTimer
+HTIM_Trigger_ret:
+  ret
 ; @end
 
 
@@ -263,17 +273,13 @@ htimCallActorOff_ret:
 ; @clobbers none
 
 htimReloadTimer:
-  ldd r17, Y+HTIM_RAM_OFFS_FLAGS
-  sbrs r17, HTIM_FLAGBIT_ACTIVE
-    rjmp htimReloadTimer_ret              ; jmp if not active
-
-  ; really reload timer
   ldd r16, Y+HTIM_RAM_OFFS_RELOAD_LO
   std Y+HTIM_RAM_OFFS_CURRVAL_LO, r16
   ldd r16, Y+HTIM_RAM_OFFS_RELOAD_HI
   std Y+HTIM_RAM_OFFS_CURRVAL_HI, r16
-  ; switch fans ON
-  rcall htimCallActorOn                ; turn on actor
+  ldd r16, Y+HTIM_RAM_OFFS_FLAGS
+  sbrs r16, HTIM_FLAGBIT_STATE
+    rcall htimCallActorOn                ; turn on actor
 htimReloadTimer_ret:
   ret
 ; @end
diff --git a/avr/modules/triggeractor/recv.asm b/avr/modules/triggeractor/recv.asm
index bb738e6..a263497 100644
--- a/avr/modules/triggeractor/recv.asm
+++ b/avr/modules/triggeractor/recv.asm
@@ -88,10 +88,10 @@ tcaCheckGuardSource:
   rcall tcaCheckValue
   ldd r16, Y+HTIM_RAM_OFFS_FLAGS
   brcc tcaCheckGuardSource_noMatch
-  sbr r16, (1<<TCA_FLAGBITS_NEED_ENABLE) | (1<<TCA_FLAGBIT_UPDATED)
+  sbr r16, (1<<TCA_FLAGBITS_NEED_ENABLE)
   rjmp tcaCheckGuardSource_done
 tcaCheckGuardSource_noMatch:
-  sbr r16, (1<<TCA_FLAGBITS_NEED_DISABLE) | (1<<TCA_FLAGBIT_UPDATED)
+  sbr r16, (1<<TCA_FLAGBITS_NEED_DISABLE)
 tcaCheckGuardSource_done:
   std Y+HTIM_RAM_OFFS_FLAGS, r16
 
diff --git a/devices/nodes/aqua_n32.xml b/devices/nodes/aqua_n32.xml
index 991ed86..3ef90a5 100644
--- a/devices/nodes/aqua_n32.xml
+++ b/devices/nodes/aqua_n32.xml
@@ -15,6 +15,8 @@
     <value name="FAN3_SPEED"             id="0x0a" type="sensor" dataType="uint16"  modality="rpm"       denom="1" />
 
 
+    <value name="FANCTL_STATE"           id="0x07" type="sensor" dataType="uint16"  modality="onOff" />
+
     <value name="FANCTL_GUARD_SOURCE"    id="0x90" type="actor"  dataType="uint16"                       denom="1" />
     <value name="FANCTL_GUARD_LIMITS"    id="0x91" type="actor"  dataType="uint32"                       denom="1" />