diff --git a/docs/samples/sample_consumer/sample_consumer/consumer.py b/docs/samples/sample_consumer/sample_consumer/consumer.py
index 5d7939788d..025698e48f 100644
--- a/docs/samples/sample_consumer/sample_consumer/consumer.py
+++ b/docs/samples/sample_consumer/sample_consumer/consumer.py
@@ -57,23 +57,28 @@ def update() -> ConsumerState:
     # ConsumerUsage.SUSPENDABLE_TUNABLE
     def set_power_limit(power_limit: float, data: SetLimitData) -> None:
         nonlocal client
-        client.write_registers(1000, power_limit, unit=config.configuration.modbus_id)
+        client.write_register(Register.1000, int(power_limit), data_type=ModbusDataType.INT_16,
+                              unit=config.configuration.modbus_id)
 
     # ODER
     # ConsumerUsage.SUSPENDABLE_ONOFF
     # ConsumerUsage.CONTINUOUS
     def switch_on() -> None:
         nonlocal client
-        client.write_registers(1000, 1, unit=config.configuration.modbus_id)
+        client.write_register(Register.1000, 1, data_type=ModbusDataType.INT_16,
+                              unit=config.configuration.modbus_id)
 
     def switch_off() -> None:
         nonlocal client
-        client.write_registers(1000, 0, unit=config.configuration.modbus_id)
+        client.write_register(Register.1000, 0, data_type=ModbusDataType.INT_16,
+                              unit=config.configuration.modbus_id)
 
     # ODER
     # ConsumerUsage.SELF_CONTROLLED
     def send_values(values: CurrentValues) -> None:
-        client.write_registers(1000, values.evu_power, unit=config.configuration.modbus_id)
+        nonlocal client
+        client.write_register(Register.1000, int(values.evu_power), data_type=ModbusDataType.INT_16,
+                              unit=config.configuration.modbus_id)
 
     return ConfigurableConsumer(consumer_config=config,
                                 initializer=initializer,
diff --git a/packages/modules/consumers/my_pv/acthor/consumer.py b/packages/modules/consumers/my_pv/acthor/consumer.py
index 914f449abf..552a4cf7af 100644
--- a/packages/modules/consumers/my_pv/acthor/consumer.py
+++ b/packages/modules/consumers/my_pv/acthor/consumer.py
@@ -64,7 +64,8 @@ def update() -> ConsumerState:
 
     def set_power_limit(power_limit: float, data: SetLimitData) -> None:
         power_limit = power_limit * FACTORS.get(config.configuration.model, 9000)/config.configuration.max_power
-        client.write_registers(1000, power_limit, unit=config.configuration.modbus_id)
+        client.write_register(1000, int(power_limit), data_type=ModbusDataType.INT_16,
+                              unit=config.configuration.modbus_id)
     return ConfigurableConsumer(consumer_config=config,
                                 initializer=initializer,
                                 error_handler=error_handler,
diff --git a/packages/modules/consumers/my_pv/elwa_e/consumer.py b/packages/modules/consumers/my_pv/elwa_e/consumer.py
index 1943178dba..eede1a7e37 100644
--- a/packages/modules/consumers/my_pv/elwa_e/consumer.py
+++ b/packages/modules/consumers/my_pv/elwa_e/consumer.py
@@ -80,7 +80,8 @@ def set_power_limit(power_limit: float, data: SetLimitData) -> None:
         power_limit = min(power_limit, 4000)
         power_limit = max(power_limit, 0)
 
-        client.write_registers(1000, power_limit, unit=config.configuration.modbus_id)
+        client.write_register(1000, int(power_limit), data_type=ModbusDataType.INT_16,
+                              unit=config.configuration.modbus_id)
     return ConfigurableConsumer(consumer_config=config,
                                 initializer=initializer,
                                 error_handler=error_handler,