diff --git a/custom_components/localthings/coordinator.py b/custom_components/localthings/coordinator.py
index d1b6576..44695e4 100644
--- a/custom_components/localthings/coordinator.py
+++ b/custom_components/localthings/coordinator.py
@@ -246,6 +246,10 @@ class LocalThingsCoordinator(DataUpdateCoordinator[dict[str, Any]]):
                 try:
                     resources = await self.hass.async_add_executor_job(self._poll_once)
                 except Exception as e2:
+                    _LOGGER.error("poll failed after reconnect: %s", e2)
+                    if self._last_resources:
+                        _LOGGER.debug("Full error:", exc_info=e2)
+                        return flatten(self.bound, self._last_resources)
                     raise UpdateFailed(f"poll failed after reconnect: {e2}") from e2
 
         self._last_resources = resources
diff --git a/custom_components/localthings/ocf/registry/capabilities/common.py b/custom_components/localthings/ocf/registry/capabilities/common.py
index d449520..867fc04 100644
--- a/custom_components/localthings/ocf/registry/capabilities/common.py
+++ b/custom_components/localthings/ocf/registry/capabilities/common.py
@@ -11,7 +11,7 @@ against live device dumps:
   /filter/waterfilter/vs/0  -> x.com.samsung.da.filterUsage / filterStatus
 """
 from ..capability import Capability
-from ..entities import BinarySensorDesc, SensorDesc, SwitchDesc
+from ..entities import SensorDesc, SwitchDesc
 
 
 def _num(v):
@@ -46,19 +46,25 @@ def _active_alarm_codes(items):
 KIDS_LOCK = Capability(
     href='/kidslock/vs/0',
     entities=(
-        BinarySensorDesc(key='child_lock', field='x.com.samsung.da.kidsLock',
-                         name='Child lock', device_class='lock',
-                         value_fn=lambda v: v != 'Ready'),
+        SwitchDesc(key='child_lock', field='x.com.samsung.da.kidsLock',
+                   name='Child lock', device_class='lock',
+                   value_fn=lambda v: v != 'Ready',
+                   write_fn=lambda p, rep, href=None: (
+                       ['kidslock', 'vs', '0'],
+                       {'x.com.samsung.da.kidsLock': 'Enable' if p == 'On' else 'Ready'})),
     ),
 )
 
 REMOTE_CONTROL = Capability(
     href='/remotectrl/vs/0',
     entities=(
-        BinarySensorDesc(key='remote_control',
-                         field='x.com.samsung.da.remoteControlEnabled',
-                         name='Remote control', device_class='connectivity',
-                         value_fn=lambda v: str(v).lower() == 'true'),
+        SwitchDesc(key='remote_control',
+                   field='x.com.samsung.da.remoteControlEnabled',
+                   name='Remote control', device_class='connectivity',
+                   value_fn=lambda v: str(v).lower() == 'true',
+                   write_fn=lambda p, rep, href=None: (
+                       ['remotectrl', 'vs', '0'],
+                       {'x.com.samsung.da.remoteControlEnabled': 'true' if p == 'On' else 'false'})),
     ),
 )
 
diff --git a/custom_components/localthings/ocf/registry/capabilities/operational.py b/custom_components/localthings/ocf/registry/capabilities/operational.py
index 4af8f16..cf70e54 100644
--- a/custom_components/localthings/ocf/registry/capabilities/operational.py
+++ b/custom_components/localthings/ocf/registry/capabilities/operational.py
@@ -2,10 +2,10 @@
 
 Shared by dryer/dishwasher/oven/washer families.
 """
-from datetime import datetime, timezone, timedelta
+from datetime import datetime, timezone, timedelta, time as dt_time
 
 from ..capability import Capability
-from ..entities import BinarySensorDesc, ButtonDesc, SensorDesc
+from ..entities import BinarySensorDesc, ButtonDesc, SensorDesc, TimeDesc
 
 _SAMSUNG_STATE_TO_OCF = {
     'Ready': 'idle', 'Run': 'active', 'Running': 'active',
@@ -32,6 +32,16 @@ def _active_when(rep):
     return _SAMSUNG_STATE_TO_OCF.get(rep.get('x.com.samsung.da.state')) == 'active'
 
 
+def _parse_hms(v):
+    if not v:
+        return None
+    try:
+        h, m, s = v.split(':')
+        return dt_time(int(h) % 24, int(m), int(s))
+    except Exception:
+        return None
+
+
 def _finish_time(remaining_str):
     if not remaining_str:
         return None
@@ -66,8 +76,12 @@ OPERATIONAL_STATE = Capability(
         SensorDesc(key='finish_time', field='x.com.samsung.da.remainingTime',
                    name='Estimated finish', device_class='timestamp',
                    value_fn=_finish_time),
-        SensorDesc(key='delay_start_time', field='x.com.samsung.da.delayStartTime',
-                   name='Delay start time', icon='mdi:timer-pause'),
+        TimeDesc(key='delay_start_time', field='x.com.samsung.da.delayStartTime',
+                 name='Delay start',
+                 value_fn=_parse_hms,
+                 write_fn=lambda p, rep, href=None: (
+                     ['operational', 'state', 'vs', '0'],
+                     {'x.com.samsung.da.delayStartTime': f'{p.hour}:{p.minute:02d}:{p.second:02d}'})),
         ButtonDesc(key='start', field='', name='Start cycle', payload='Run',
                    icon='mdi:play',
                    write_fn=lambda p, rep, href=None: (