✨ M81 D / S - Power-off Delay (#23396, #23455)

Marlin/src/inc/SanityCheck.h

@@ -3564,6 +3564,8 @@ static_assert(_PLUS_TEST(4), "HOMING_FEEDRATE_MM_M values must be positive.");
     #error "PSU_CONTROL requires PS_ON_PIN."
   #elif POWER_OFF_DELAY < 0
     #error "POWER_OFF_DELAY must be a positive value."
+  #elif ENABLED(POWER_OFF_WAIT_FOR_COOLDOWN) && !(defined(AUTO_POWER_E_TEMP) || defined(AUTO_POWER_CHAMBER_TEMP) || defined(AUTO_POWER_COOLER_TEMP))
+    #error "POWER_OFF_WAIT_FOR_COOLDOWN requires AUTO_POWER_E_TEMP, AUTO_POWER_CHAMBER_TEMP, and/or AUTO_POWER_COOLER_TEMP."
   #endif
 #endif